76840756790 has 64 divisors (see below), whose sum is σ = 166501785600. Its totient is φ = 25495515360.

The previous prime is 76840756771. The next prime is 76840756813. The reversal of 76840756790 is 9765704867.

It is a super-2 number, since 2×76840756790² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255002 + ... + 467661.

It is an arithmetic number, because the mean of its divisors is an integer number (2601590400).

Almost surely, 2^76840756790 is an apocalyptic number.

76840756790 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

76840756790 is an abundant number, since it is smaller than the sum of its proper divisors (89661028810).

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

76840756790 is a wasteful number, since it uses less digits than its factorization.

76840756790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722722 (or 722708 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 59.

The spelling of 76840756790 in words is "seventy-six billion, eight hundred forty million, seven hundred fifty-six thousand, seven hundred ninety".