83473369721280 has 1008 divisors, whose sum is σ = 365752285097472. Its totient is φ = 17100782899200.

The previous prime is 83473369721243. The next prime is 83473369721281. The reversal of 83473369721280 is 8212796337438.

83473369721280 is a `hidden beast` number, since 8 + 3 + 4 + 7 + 336 + 9 + 7 + 212 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (1008).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83473369721281) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 172953579 + ... + 173435541.

It is an arithmetic number, because the mean of its divisors is an integer number (362849489184).

Almost surely, 2^{83473369721280} is an apocalyptic number.

83473369721280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83473369721280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182876142548736).

83473369721280 is an abundant number, since it is smaller than the sum of its proper divisors (282278915376192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83473369721280 is a wasteful number, since it uses less digits than its factorization.

83473369721280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482086 (or 482062 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 83473369721280 in words is "eighty-three trillion, four hundred seventy-three billion, three hundred sixty-nine million, seven hundred twenty-one thousand, two hundred eighty".