77573412125636 has 12 divisors (see below), whose sum is σ = 155146824251328. Its totient is φ = 33245748053832.

The previous prime is 77573412125623. The next prime is 77573412125659. The reversal of 77573412125636 is 63652121437577.

It is a happy number.

77573412125636 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385239502216 + ... + 1385239502271.

It is an arithmetic number, because the mean of its divisors is an integer number (12928902020944).

Almost surely, 2^{77573412125636} is an apocalyptic number.

It is an amenable number.

77573412125636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77573412125636 is a wasteful number, since it uses less digits than its factorization.

77573412125636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770479004498 (or 2770479004496 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 59.

The spelling of 77573412125636 in words is "seventy-seven trillion, five hundred seventy-three billion, four hundred twelve million, one hundred twenty-five thousand, six hundred thirty-six".