69477019480 has 192 divisors, whose sum is σ = 176617324800. Its totient is φ = 24388615680.

The previous prime is 69477019453. The next prime is 69477019481. The reversal of 69477019480 is 8491077496.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69477019481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82808901 + ... + 82809739.

It is an arithmetic number, because the mean of its divisors is an integer number (919881900).

Almost surely, 2^69477019480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69477019480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88308662400).

69477019480 is an abundant number, since it is smaller than the sum of its proper divisors (107140305320).

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

69477019480 is a wasteful number, since it uses less digits than its factorization.

69477019480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 69477019480 in words is "sixty-nine billion, four hundred seventy-seven million, nineteen thousand, four hundred eighty".