76645051736 has 32 divisors (see below), whose sum is σ = 156807290880. Its totient is φ = 34831255200.

The previous prime is 76645051723. The next prime is 76645051753. The reversal of 76645051736 is 63715054667.

It is a super-2 number, since 2×76645051736² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

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, 334985 + ... + 515271.

It is an arithmetic number, because the mean of its divisors is an integer number (4900227840).

Almost surely, 2^76645051736 is an apocalyptic number.

It is an amenable number.

76645051736 is an abundant number, since it is smaller than the sum of its proper divisors (80162239144).

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

76645051736 is a wasteful number, since it uses less digits than its factorization.

76645051736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185135 (or 185131 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 76645051736 in words is "seventy-six billion, six hundred forty-five million, fifty-one thousand, seven hundred thirty-six".