83542188798 has 12 divisors (see below), whose sum is σ = 181008075768. Its totient is φ = 27847396260.

The previous prime is 83542188797. The next prime is 83542188811. The reversal of 83542188798 is 89788124538.

83542188798 is a `hidden beast` number, since 8 + 3 + 542 + 1 + 8 + 87 + 9 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83542188797) 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 5 ways as a sum of consecutive naturals, for example, 2320616338 + ... + 2320616373.

It is an arithmetic number, because the mean of its divisors is an integer number (15084006314).

Almost surely, 2^83542188798 is an apocalyptic number.

83542188798 is an abundant number, since it is smaller than the sum of its proper divisors (97465886970).

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

83542188798 is a wasteful number, since it uses less digits than its factorization.

83542188798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641232719 (or 4641232716 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 63.

The spelling of 83542188798 in words is "eighty-three billion, five hundred forty-two million, one hundred eighty-eight thousand, seven hundred ninety-eight".