76525921216 has 56 divisors (see below), whose sum is σ = 160066736000. Its totient is φ = 36199643904.

The previous prime is 76525921207. The next prime is 76525921229. The reversal of 76525921216 is 61212952567.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856045 + ... + 941203.

Almost surely, 2^76525921216 is an apocalyptic number.

76525921216 is a gapful number since it is divisible by the number (76) 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 76525921216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80033368000).

76525921216 is an abundant number, since it is smaller than the sum of its proper divisors (83540814784).

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

76525921216 is a wasteful number, since it uses less digits than its factorization.

76525921216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85929 (or 85919 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The spelling of 76525921216 in words is "seventy-six billion, five hundred twenty-five million, nine hundred twenty-one thousand, two hundred sixteen".