76443461620 has 24 divisors (see below), whose sum is σ = 160903749888. Its totient is φ = 30506436000.

The previous prime is 76443461609. The next prime is 76443461639. The reversal of 76443461620 is 2616434467.

It is a happy number.

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, 4425456 + ... + 4442695.

It is an arithmetic number, because the mean of its divisors is an integer number (6704322912).

Almost surely, 2^76443461620 is an apocalyptic number.

It is an amenable number.

76443461620 is an abundant number, since it is smaller than the sum of its proper divisors (84460288268).

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

76443461620 is a wasteful number, since it uses less digits than its factorization.

76443461620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868591 (or 8868589 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 76443461620 in words is "seventy-six billion, four hundred forty-three million, four hundred sixty-one thousand, six hundred twenty".