83815090680 has 64 divisors (see below), whose sum is σ = 255567348000. Its totient is φ = 21984284160.

The previous prime is 83815090679. The next prime is 83815090687. The reversal of 83815090680 is 8609051838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83815090687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5717755 + ... + 5732394.

Almost surely, 2^83815090680 is an apocalyptic number.

It is an amenable number.

83815090680 is an abundant number, since it is smaller than the sum of its proper divisors (171752257320).

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

83815090680 is a wasteful number, since it uses less digits than its factorization.

83815090680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11450224 (or 11450220 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 83815090680 in words is "eighty-three billion, eight hundred fifteen million, ninety thousand, six hundred eighty".