76774908375 has 256 divisors, whose sum is σ = 158809098240. Its totient is φ = 37047780000.

The previous prime is 76774908373. The next prime is 76774908401. The reversal of 76774908375 is 57380947767.

76774908375 is a `hidden beast` number, since 7 + 6 + 77 + 490 + 8 + 3 + 75 = 666.

It is not a de Polignac number, because 76774908375 - 2¹ = 76774908373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76774908373) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 363862020 + ... + 363862230.

It is an arithmetic number, because the mean of its divisors is an integer number (620348040).

Almost surely, 2^76774908375 is an apocalyptic number.

76774908375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

76774908375 is an abundant number, since it is smaller than the sum of its proper divisors (82034189865).

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

76774908375 is an frugal number, since it uses more digits than its factorization.

76774908375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 62233920, while the sum is 63.

The spelling of 76774908375 in words is "seventy-six billion, seven hundred seventy-four million, nine hundred eight thousand, three hundred seventy-five".