76779452508 has 48 divisors (see below), whose sum is σ = 196292127360. Its totient is φ = 23164891200.

The previous prime is 76779452479. The next prime is 76779452537. The reversal of 76779452508 is 80525497767.

It is an interprime number because it is at equal distance from previous prime (76779452479) and next prime (76779452537).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1239778 + ... + 1300233.

It is an arithmetic number, because the mean of its divisors is an integer number (4089419320).

Almost surely, 2^76779452508 is an apocalyptic number.

It is an amenable number.

76779452508 is an abundant number, since it is smaller than the sum of its proper divisors (119512674852).

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

76779452508 is a wasteful number, since it uses less digits than its factorization.

76779452508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540258 (or 2540256 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 60.

The spelling of 76779452508 in words is "seventy-six billion, seven hundred seventy-nine million, four hundred fifty-two thousand, five hundred eight".