772961512 has 16 divisors (see below), whose sum is σ = 1449612000. Its totient is φ = 386398320.

The previous prime is 772961503. The next prime is 772961521. The reversal of 772961512 is 215169277.

It is an interprime number because it is at equal distance from previous prime (772961503) and next prime (772961521).

It is a super-2 number, since 2×772961512² = 1194938998066652288, which contains 22 as substring.

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, 50989 + ... + 64387.

It is an arithmetic number, because the mean of its divisors is an integer number (90600750).

Almost surely, 2^772961512 is an apocalyptic number.

It is an amenable number.

772961512 is a deficient number, since it is larger than the sum of its proper divisors (676650488).

772961512 is a wasteful number, since it uses less digits than its factorization.

772961512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20616 (or 20612 counting only the distinct ones).

The product of its digits is 52920, while the sum is 40.

The square root of 772961512 is about 27802.1853817285. The cubic root of 772961512 is about 917.7392158139.

The spelling of 772961512 in words is "seven hundred seventy-two million, nine hundred sixty-one thousand, five hundred twelve".