83972110455 has 32 divisors (see below), whose sum is σ = 152924829120. Its totient is φ = 43692802560.

The previous prime is 83972110403. The next prime is 83972110489. The reversal of 83972110455 is 55401127938.

83972110455 is a `hidden beast` number, since 8 + 397 + 211 + 0 + 45 + 5 = 666.

It is not a de Polignac number, because 83972110455 - 2²⁰ = 83971061879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 83972110455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7580022 + ... + 7591091.

It is an arithmetic number, because the mean of its divisors is an integer number (4778900910).

Almost surely, 2^83972110455 is an apocalyptic number.

83972110455 is a deficient number, since it is larger than the sum of its proper divisors (68952718665).

83972110455 is a wasteful number, since it uses less digits than its factorization.

83972110455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15171168 (or 15171162 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 83972110455 in words is "eighty-three billion, nine hundred seventy-two million, one hundred ten thousand, four hundred fifty-five".