83504640942 has 48 divisors (see below), whose sum is σ = 185694208128. Its totient is φ = 27105336720.

The previous prime is 83504640941. The next prime is 83504640997. The reversal of 83504640942 is 24904640538.

83504640942 is a `hidden beast` number, since 83 + 504 + 64 + 0 + 9 + 4 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83504640941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93223 + ... + 419165.

It is an arithmetic number, because the mean of its divisors is an integer number (3868629336).

Almost surely, 2^83504640942 is an apocalyptic number.

83504640942 is an abundant number, since it is smaller than the sum of its proper divisors (102189567186).

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

83504640942 is a wasteful number, since it uses less digits than its factorization.

83504640942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326325 (or 326322 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 83504640942 in words is "eighty-three billion, five hundred four million, six hundred forty thousand, nine hundred forty-two".