775616499 has 64 divisors (see below), whose sum is σ = 1414758400. Its totient is φ = 410036256.

The previous prime is 775616489. The next prime is 775616503. The reversal of 775616499 is 994616577.

775616499 is a `hidden beast` number, since 77 + 561 + 6 + 4 + 9 + 9 = 666.

It is not a de Polignac number, because 775616499 - 2⁵ = 775616467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (775616489) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 151902 + ... + 156924.

It is an arithmetic number, because the mean of its divisors is an integer number (22105600).

Almost surely, 2^775616499 is an apocalyptic number.

775616499 is a deficient number, since it is larger than the sum of its proper divisors (639141901).

775616499 is a wasteful number, since it uses less digits than its factorization.

775616499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101 (or 5095 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 775616499 is about 27849.8922619101. The cubic root of 775616499 is about 918.7887727077.

The spelling of 775616499 in words is "seven hundred seventy-five million, six hundred sixteen thousand, four hundred ninety-nine".