769474025520 has 160 divisors (see below), whose sum is σ = 2431001548800. Its totient is φ = 201269732352.

The previous prime is 769474025503. The next prime is 769474025539. The reversal of 769474025520 is 25520474967.

It is a super-2 number, since 2×769474025520² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 97164121 + ... + 97172039.

It is an arithmetic number, because the mean of its divisors is an integer number (15193759680).

Almost surely, 2^769474025520 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 769474025520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215500774400).

769474025520 is an abundant number, since it is smaller than the sum of its proper divisors (1661527523280).

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

769474025520 is a wasteful number, since it uses less digits than its factorization.

769474025520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15627 (or 15621 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 769474025520 in words is "seven hundred sixty-nine billion, four hundred seventy-four million, twenty-five thousand, five hundred twenty".