772112808 has 24 divisors (see below), whose sum is σ = 2091139050. Its totient is φ = 257370912.

The previous prime is 772112801. The next prime is 772112813. The reversal of 772112808 is 808211277.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 685287684 + 86825124 = 26178^2 + 9318^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (772112801) 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 5 ways as a sum of consecutive naturals, for example, 5361823 + ... + 5361966.

Almost surely, 2^772112808 is an apocalyptic number.

It is an amenable number.

772112808 is an abundant number, since it is smaller than the sum of its proper divisors (1319026242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

772112808 is a wasteful number, since it uses less digits than its factorization.

772112808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10723801 (or 10723794 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 772112808 is about 27786.9179291263. The cubic root of 772112808 is about 917.4032033147.

The spelling of 772112808 in words is "seven hundred seventy-two million, one hundred twelve thousand, eight hundred eight".