772478499 has 32 divisors (see below), whose sum is σ = 1139572224. Its totient is φ = 462424320.

The previous prime is 772478479. The next prime is 772478507. The reversal of 772478499 is 994874277.

It is a happy number.

It is not a de Polignac number, because 772478499 - 2²⁷ = 638260771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (772478479) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 938202 + ... + 939024.

It is an arithmetic number, because the mean of its divisors is an integer number (35611632).

Almost surely, 2^772478499 is an apocalyptic number.

772478499 is a deficient number, since it is larger than the sum of its proper divisors (367093725).

772478499 is a wasteful number, since it uses less digits than its factorization.

772478499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467.

The product of its digits is 7112448, while the sum is 57.

The square root of 772478499 is about 27793.4974229585. The cubic root of 772478499 is about 917.5480151179.

The spelling of 772478499 in words is "seven hundred seventy-two million, four hundred seventy-eight thousand, four hundred ninety-nine".