84403825431 has 16 divisors (see below), whose sum is σ = 118896076800. Its totient is φ = 53172962528.

The previous prime is 84403825417. The next prime is 84403825447. The reversal of 84403825431 is 13452830448.

It is not a de Polignac number, because 84403825431 - 2³⁰ = 83330083607 is a prime.

It is a super-2 number, since 2×84403825431² (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 (84403825411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10316751 + ... + 10324928.

It is an arithmetic number, because the mean of its divisors is an integer number (7431004800).

Almost surely, 2^84403825431 is an apocalyptic number.

84403825431 is a deficient number, since it is larger than the sum of its proper divisors (34492251369).

84403825431 is a wasteful number, since it uses less digits than its factorization.

84403825431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20641758.

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 84403825431 in words is "eighty-four billion, four hundred three million, eight hundred twenty-five thousand, four hundred thirty-one".