76893244864 has 28 divisors (see below), whose sum is σ = 153498736944. Its totient is φ = 38216397824.

The previous prime is 76893244819. The next prime is 76893244943. The reversal of 76893244864 is 46844239867.

It is a happy number.

It is a super-3 number, since 3×76893244864³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3586489 + ... + 3607864.

It is an arithmetic number, because the mean of its divisors is an integer number (5482097748).

Almost surely, 2^76893244864 is an apocalyptic number.

It is an amenable number.

76893244864 is a deficient number, since it is larger than the sum of its proper divisors (76605492080).

76893244864 is a wasteful number, since it uses less digits than its factorization.

76893244864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7194532 (or 7194522 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 61.

The spelling of 76893244864 in words is "seventy-six billion, eight hundred ninety-three million, two hundred forty-four thousand, eight hundred sixty-four".