77862528125828 has 96 divisors (see below), whose sum is σ = 146883118169088. Its totient is φ = 35985051648000.

The previous prime is 77862528125803. The next prime is 77862528125831. The reversal of 77862528125828 is 82852182526877.

It is a super-2 number, since 2×77862528125828² (a number of 29 digits) contains 22 as substring.

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, 949143173 + ... + 949225203.

It is an arithmetic number, because the mean of its divisors is an integer number (1530032480928).

Almost surely, 2^{77862528125828} is an apocalyptic number.

It is an amenable number.

77862528125828 is a deficient number, since it is larger than the sum of its proper divisors (69020590043260).

77862528125828 is a wasteful number, since it uses less digits than its factorization.

77862528125828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83253 (or 83251 counting only the distinct ones).

The product of its digits is 481689600, while the sum is 71.

The spelling of 77862528125828 in words is "seventy-seven trillion, eight hundred sixty-two billion, five hundred twenty-eight million, one hundred twenty-five thousand, eight hundred twenty-eight".