772871896 has 8 divisors (see below), whose sum is σ = 1449134820. Its totient is φ = 386435944.

The previous prime is 772871851. The next prime is 772871929. The reversal of 772871896 is 698178277.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48304486 + ... + 48304501.

Almost surely, 2^772871896 is an apocalyptic number.

It is an amenable number.

772871896 is a deficient number, since it is larger than the sum of its proper divisors (676262924).

772871896 is a wasteful number, since it uses less digits than its factorization.

772871896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96608993 (or 96608989 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 55.

The square root of 772871896 is about 27800.5736631459. The cubic root of 772871896 is about 917.7037473398.

The spelling of 772871896 in words is "seven hundred seventy-two million, eight hundred seventy-one thousand, eight hundred ninety-six".