84052855431 has 6 divisors (see below), whose sum is σ = 121409680080. Its totient is φ = 56035236948.

The previous prime is 84052855399. The next prime is 84052855433. The reversal of 84052855431 is 13455825048.

84052855431 is a `hidden beast` number, since 8 + 40 + 5 + 28 + 554 + 31 = 666.

It is not a de Polignac number, because 84052855431 - 2⁵ = 84052855399 is a prime.

It is a super-2 number, since 2×84052855431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84052855433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4669603071 + ... + 4669603088.

It is an arithmetic number, because the mean of its divisors is an integer number (20234946680).

Almost surely, 2^84052855431 is an apocalyptic number.

84052855431 is a deficient number, since it is larger than the sum of its proper divisors (37356824649).

84052855431 is a wasteful number, since it uses less digits than its factorization.

84052855431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9339206165 (or 9339206162 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 84052855431 in words is "eighty-four billion, fifty-two million, eight hundred fifty-five thousand, four hundred thirty-one".