83791454908 has 48 divisors (see below), whose sum is σ = 171230987200. Its totient is φ = 35862740928.

The previous prime is 83791454839. The next prime is 83791454917. The reversal of 83791454908 is 80945419738.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998266 + ... + 1078942.

Almost surely, 2^83791454908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83791454908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85615493600).

83791454908 is an abundant number, since it is smaller than the sum of its proper divisors (87439532292).

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

83791454908 is a wasteful number, since it uses less digits than its factorization.

83791454908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81459 (or 81443 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 83791454908 in words is "eighty-three billion, seven hundred ninety-one million, four hundred fifty-four thousand, nine hundred eight".