777070664 has 16 divisors (see below), whose sum is σ = 1533692400. Its totient is φ = 368086032.

The previous prime is 777070661. The next prime is 777070667. The reversal of 777070664 is 466070777.

It is an interprime number because it is at equal distance from previous prime (777070661) and next prime (777070667).

It is not an unprimeable number, because it can be changed into a prime (777070661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556002 + ... + 2556305.

It is an arithmetic number, because the mean of its divisors is an integer number (95855775).

Almost surely, 2^777070664 is an apocalyptic number.

It is an amenable number.

777070664 is a deficient number, since it is larger than the sum of its proper divisors (756621736).

777070664 is a wasteful number, since it uses less digits than its factorization.

777070664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112332 (or 5112328 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 44.

The square root of 777070664 is about 27875.9872291548. The cubic root of 777070664 is about 919.3626114405.

The spelling of 777070664 in words is "seven hundred seventy-seven million, seventy thousand, six hundred sixty-four".