83031545856 has 288 divisors, whose sum is σ = 258530454000. Its totient is φ = 23628939264.

The previous prime is 83031545819. The next prime is 83031545867. The reversal of 83031545856 is 65854513038.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117110430 + ... + 117111138.

Almost surely, 2^83031545856 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 83031545856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129265227000).

83031545856 is an abundant number, since it is smaller than the sum of its proper divisors (175498908144).

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

83031545856 is a wasteful number, since it uses less digits than its factorization.

83031545856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 83031545856 in words is "eighty-three billion, thirty-one million, five hundred forty-five thousand, eight hundred fifty-six".