83465972895 has 16 divisors (see below), whose sum is σ = 134597099520. Its totient is φ = 44164671264.

The previous prime is 83465972839. The next prime is 83465972903. The reversal of 83465972895 is 59827956438.

It is not a de Polignac number, because 83465972895 - 2²¹ = 83463875743 is a prime.

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, 21905175 + ... + 21908984.

It is an arithmetic number, because the mean of its divisors is an integer number (8412318720).

Almost surely, 2^83465972895 is an apocalyptic number.

83465972895 is a deficient number, since it is larger than the sum of its proper divisors (51131126625).

83465972895 is a wasteful number, since it uses less digits than its factorization.

83465972895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43814294.

The product of its digits is 130636800, while the sum is 66.

The spelling of 83465972895 in words is "eighty-three billion, four hundred sixty-five million, nine hundred seventy-two thousand, eight hundred ninety-five".