76825940686 has 32 divisors (see below), whose sum is σ = 126611100000. Its totient is φ = 34672558080.

The previous prime is 76825940663. The next prime is 76825940689. The reversal of 76825940686 is 68604952867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76825940689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2913690 + ... + 2939938.

It is an arithmetic number, because the mean of its divisors is an integer number (3956596875).

Almost surely, 2^76825940686 is an apocalyptic number.

76825940686 is a deficient number, since it is larger than the sum of its proper divisors (49785159314).

76825940686 is a wasteful number, since it uses less digits than its factorization.

76825940686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27204.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 76825940686 in words is "seventy-six billion, eight hundred twenty-five million, nine hundred forty thousand, six hundred eighty-six".