83117488474572 has 72 divisors (see below), whose sum is σ = 206023174353360. Its totient is φ = 26075693875200.

The previous prime is 83117488474513. The next prime is 83117488474609. The reversal of 83117488474572 is 27547488471138.

It is a junction number, because it is equal to n+sod(n) for n = 83117488474497 and 83117488474506.

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, 323536572 + ... + 323793372.

It is an arithmetic number, because the mean of its divisors is an integer number (2861432977130).

Almost surely, 2^{83117488474572} is an apocalyptic number.

It is an amenable number.

83117488474572 is an abundant number, since it is smaller than the sum of its proper divisors (122905685878788).

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

83117488474572 is a wasteful number, since it uses less digits than its factorization.

83117488474572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350171 (or 350152 counting only the distinct ones).

The product of its digits is 337182720, while the sum is 69.

The spelling of 83117488474572 in words is "eighty-three trillion, one hundred seventeen billion, four hundred eighty-eight million, four hundred seventy-four thousand, five hundred seventy-two".