83109207990798 has 64 divisors (see below), whose sum is σ = 201481634615040. Its totient is φ = 25184012637600.

The previous prime is 83109207990793. The next prime is 83109207990811. The reversal of 83109207990798 is 89709970290138.

83109207990798 is a `hidden beast` number, since 8 + 310 + 92 + 0 + 79 + 90 + 79 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83109207990793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23801961 + ... + 27069387.

It is an arithmetic number, because the mean of its divisors is an integer number (3148150540860).

Almost surely, 2^{83109207990798} is an apocalyptic number.

83109207990798 is an abundant number, since it is smaller than the sum of its proper divisors (118372426624242).

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

83109207990798 is a wasteful number, since it uses less digits than its factorization.

83109207990798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310270 (or 3310264 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 72.

The spelling of 83109207990798 in words is "eighty-three trillion, one hundred nine billion, two hundred seven million, nine hundred ninety thousand, seven hundred ninety-eight".