77252670485812 has 24 divisors (see below), whose sum is σ = 135225755723520. Its totient is φ = 38616740816160.

The previous prime is 77252670485797. The next prime is 77252670485821. The reversal of 77252670485812 is 21858407625277.

It is a congruent number.

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, 1164129489 + ... + 1164195847.

It is an arithmetic number, because the mean of its divisors is an integer number (5634406488480).

Almost surely, 2^{77252670485812} is an apocalyptic number.

It is an amenable number.

77252670485812 is a deficient number, since it is larger than the sum of its proper divisors (57973085237708).

77252670485812 is a wasteful number, since it uses less digits than its factorization.

77252670485812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134271 (or 134269 counting only the distinct ones).

The product of its (nonzero) digits is 105369600, while the sum is 64.

The spelling of 77252670485812 in words is "seventy-seven trillion, two hundred fifty-two billion, six hundred seventy million, four hundred eighty-five thousand, eight hundred twelve".