77036015643312 has 160 divisors (see below), whose sum is σ = 224594125056000. Its totient is φ = 22538634065920.

The previous prime is 77036015643311. The next prime is 77036015643319. The reversal of 77036015643312 is 21334651063077.

It is a super-2 number, since 2×77036015643312² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (77036015643311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 977463364 + ... + 977542172.

It is an arithmetic number, because the mean of its divisors is an integer number (1403713281600).

Almost surely, 2^{77036015643312} is an apocalyptic number.

It is an amenable number.

77036015643312 is an abundant number, since it is smaller than the sum of its proper divisors (147558109412688).

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

77036015643312 is a wasteful number, since it uses less digits than its factorization.

77036015643312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142699 (or 142693 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 77036015643312 in words is "seventy-seven trillion, thirty-six billion, fifteen million, six hundred forty-three thousand, three hundred twelve".