770504990 has 16 divisors (see below), whose sum is σ = 1413078048. Its totient is φ = 302386656.

The previous prime is 770504989. The next prime is 770505011. The reversal of 770504990 is 99405077.

It is a happy number.

It is a super-2 number, since 2×770504990² = 1187355879229800200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726362 + ... + 727421.

It is an arithmetic number, because the mean of its divisors is an integer number (88317378).

Almost surely, 2^770504990 is an apocalyptic number.

770504990 is a deficient number, since it is larger than the sum of its proper divisors (642573058).

770504990 is a wasteful number, since it uses less digits than its factorization.

770504990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453843.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 770504990 is about 27757.9716477988. The cubic root of 770504990 is about 916.7659724187.

The spelling of 770504990 in words is "seven hundred seventy million, five hundred four thousand, nine hundred ninety".