76802120604 has 72 divisors (see below), whose sum is σ = 216713008512. Its totient is φ = 22732123680.

The previous prime is 76802120597. The next prime is 76802120609. The reversal of 76802120604 is 40602120867.

76802120604 is a `hidden beast` number, since 7 + 6 + 8 + 0 + 21 + 20 + 604 = 666.

It is a super-2 number, since 2×76802120604² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76802120609) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2238144 + ... + 2272199.

It is an arithmetic number, because the mean of its divisors is an integer number (3009902896).

Almost surely, 2^76802120604 is an apocalyptic number.

It is an amenable number.

76802120604 is an abundant number, since it is smaller than the sum of its proper divisors (139910887908).

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

76802120604 is a wasteful number, since it uses less digits than its factorization.

76802120604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510407 (or 4510402 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 76802120604 in words is "seventy-six billion, eight hundred two million, one hundred twenty thousand, six hundred four".