77135735712 has 72 divisors (see below), whose sum is σ = 235539493056. Its totient is φ = 22038780288.

The previous prime is 77135735701. The next prime is 77135735741. The reversal of 77135735712 is 21753753177.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8194248 + ... + 8203655.

It is an arithmetic number, because the mean of its divisors is an integer number (3271381848).

Almost surely, 2^77135735712 is an apocalyptic number.

It is an amenable number.

77135735712 is an abundant number, since it is smaller than the sum of its proper divisors (158403757344).

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

77135735712 is a wasteful number, since it uses less digits than its factorization.

77135735712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16397930 (or 16397915 counting only the distinct ones).

The product of its digits is 1080450, while the sum is 48.

The spelling of 77135735712 in words is "seventy-seven billion, one hundred thirty-five million, seven hundred thirty-five thousand, seven hundred twelve".