76628314138 has 16 divisors (see below), whose sum is σ = 115849902024. Its totient is φ = 38012420160.

The previous prime is 76628314117. The next prime is 76628314151. The reversal of 76628314138 is 83141382667.

It can be written as a sum of positive squares in 4 ways, for example, as 68965587769 + 7662726369 = 262613^2 + 87537^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76628314091 and 76628314100.

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, 22956 + ... + 392152.

Almost surely, 2^76628314138 is an apocalyptic number.

76628314138 is a deficient number, since it is larger than the sum of its proper divisors (39221587886).

76628314138 is a wasteful number, since it uses less digits than its factorization.

76628314138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370017.

The product of its digits is 1161216, while the sum is 49.

The spelling of 76628314138 in words is "seventy-six billion, six hundred twenty-eight million, three hundred fourteen thousand, one hundred thirty-eight".