772666012 has 18 divisors (see below), whose sum is σ = 1378179488. Its totient is φ = 379038192.

The previous prime is 772666009. The next prime is 772666051. The reversal of 772666012 is 210666277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23148 + ... + 45619.

Almost surely, 2^772666012 is an apocalyptic number.

It is an amenable number.

772666012 is a deficient number, since it is larger than the sum of its proper divisors (605513476).

772666012 is a wasteful number, since it uses less digits than its factorization.

772666012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68877 (or 68822 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 772666012 is about 27796.8705432824. The cubic root of 772666012 is about 917.6222516012.

The spelling of 772666012 in words is "seven hundred seventy-two million, six hundred sixty-six thousand, twelve".