83308974390625 has 21 divisors (see below), whose sum is σ = 104136311198311. Its totient is φ = 66646266775000.

The previous prime is 83308974390617. The next prime is 83308974390709. The reversal of 83308974390625 is 52609347980338.

The square root of 83308974390625 is 9127375.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 72986659227729 + 10322315162896 = 8543223^2 + 3212836^2 .

It is not a de Polignac number, because 83308974390625 - 2³ = 83308974390617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1140885366 + ... + 1140958384.

Almost surely, 2^{83308974390625} is an apocalyptic number.

83308974390625 is the 9127375-th square number.

83308974390625 is the 4563688-th centered octagonal number.

It is an amenable number.

83308974390625 is a deficient number, since it is larger than the sum of its proper divisors (20827336807686).

83308974390625 is an frugal number, since it uses more digits than its factorization.

83308974390625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146068 (or 73024 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 67.

The spelling of 83308974390625 in words is "eighty-three trillion, three hundred eight billion, nine hundred seventy-four million, three hundred ninety thousand, six hundred twenty-five".