83801931863 has 8 divisors (see below), whose sum is σ = 90273099168. Its totient is φ = 77334316704.

The previous prime is 83801931853. The next prime is 83801931887. The reversal of 83801931863 is 36813910838.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83801931863 - 2⁶ = 83801931799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83801931833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838931 + ... + 933492.

It is an arithmetic number, because the mean of its divisors is an integer number (11284137396).

Almost surely, 2^83801931863 is an apocalyptic number.

83801931863 is a deficient number, since it is larger than the sum of its proper divisors (6471167305).

83801931863 is a wasteful number, since it uses less digits than its factorization.

83801931863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776073.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 83801931863 in words is "eighty-three billion, eight hundred one million, nine hundred thirty-one thousand, eight hundred sixty-three".