772680164 has 12 divisors (see below), whose sum is σ = 1353324588. Its totient is φ = 386016000.

The previous prime is 772680151. The next prime is 772680179. The reversal of 772680164 is 461086277.

It can be written as a sum of positive squares in 2 ways, for example, as 346257664 + 426422500 = 18608^2 + 20650^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75617 + ... + 85224.

It is an arithmetic number, because the mean of its divisors is an integer number (112777049).

Almost surely, 2^772680164 is an apocalyptic number.

It is an amenable number.

772680164 is a deficient number, since it is larger than the sum of its proper divisors (580644424).

772680164 is a wasteful number, since it uses less digits than its factorization.

772680164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162046 (or 162044 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 772680164 is about 27797.1251031469. The cubic root of 772680164 is about 917.6278538970.

The spelling of 772680164 in words is "seven hundred seventy-two million, six hundred eighty thousand, one hundred sixty-four".