77334880662064 has 40 divisors (see below), whose sum is σ = 154670545594368. Its totient is φ = 37419913803840.

The previous prime is 77334880662047. The next prime is 77334880662097. The reversal of 77334880662064 is 46026608843377.

It is a junction number, because it is equal to n+sod(n) for n = 77334880661987 and 77334880662005.

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, 186679449 + ... + 187093255.

Almost surely, 2^{77334880662064} is an apocalyptic number.

It is an amenable number.

77334880662064 is an abundant number, since it is smaller than the sum of its proper divisors (77335664932304).

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

77334880662064 is a wasteful number, since it uses less digits than its factorization.

77334880662064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790633 (or 790627 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 64.

The spelling of 77334880662064 in words is "seventy-seven trillion, three hundred thirty-four billion, eight hundred eighty million, six hundred sixty-two thousand, sixty-four".