83520942904 has 16 divisors (see below), whose sum is σ = 178973449200. Its totient is φ = 35794689792.

The previous prime is 83520942893. The next prime is 83520942907. The reversal of 83520942904 is 40924902538.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83520942907) 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 3 ways as a sum of consecutive naturals, for example, 745722649 + ... + 745722760.

It is an arithmetic number, because the mean of its divisors is an integer number (11185840575).

Almost surely, 2^83520942904 is an apocalyptic number.

It is an amenable number.

83520942904 is an abundant number, since it is smaller than the sum of its proper divisors (95452506296).

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

83520942904 is a wasteful number, since it uses less digits than its factorization.

83520942904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491445422 (or 1491445418 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 83520942904 in words is "eighty-three billion, five hundred twenty million, nine hundred forty-two thousand, nine hundred four".