83425950720 has 264 divisors, whose sum is σ = 330365559264. Its totient is φ = 19068715008.

The previous prime is 83425950703. The next prime is 83425950721. The reversal of 83425950720 is 2705952438.

83425950720 is a `hidden beast` number, since 8 + 34 + 2 + 595 + 0 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83425950721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193242 + ... + 451878.

Almost surely, 2^83425950720 is an apocalyptic number.

83425950720 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 83425950720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165182779632).

83425950720 is an abundant number, since it is smaller than the sum of its proper divisors (246939608544).

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

83425950720 is a wasteful number, since it uses less digits than its factorization.

83425950720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258675 (or 258654 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 83425950720 in words is "eighty-three billion, four hundred twenty-five million, nine hundred fifty thousand, seven hundred twenty".