77346220674 has 64 divisors (see below), whose sum is σ = 159475599360. Its totient is φ = 24994341120.

The previous prime is 77346220669. The next prime is 77346220681. The reversal of 77346220674 is 47602264377.

It is a super-2 number, since 2×77346220674² (a number of 23 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, 56829754 + ... + 56831114.

It is an arithmetic number, because the mean of its divisors is an integer number (2491806240).

Almost surely, 2^77346220674 is an apocalyptic number.

77346220674 is an abundant number, since it is smaller than the sum of its proper divisors (82129378686).

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

77346220674 is a wasteful number, since it uses less digits than its factorization.

77346220674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895.

The product of its (nonzero) digits is 2370816, while the sum is 48.

The spelling of 77346220674 in words is "seventy-seven billion, three hundred forty-six million, two hundred twenty thousand, six hundred seventy-four".