84888923431 has 4 divisors (see below), whose sum is σ = 91418840632. Its totient is φ = 78359006232.

The previous prime is 84888923423. The next prime is 84888923447. The reversal of 84888923431 is 13432988848.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 84888923431 - 2³ = 84888923423 is a prime.

It is a super-2 number, since 2×84888923431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84888903431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3264958581 + ... + 3264958606.

It is an arithmetic number, because the mean of its divisors is an integer number (22854710158).

Almost surely, 2^84888923431 is an apocalyptic number.

84888923431 is a deficient number, since it is larger than the sum of its proper divisors (6529917201).

84888923431 is a wasteful number, since it uses less digits than its factorization.

84888923431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529917200.

The product of its digits is 10616832, while the sum is 58.

The spelling of 84888923431 in words is "eighty-four billion, eight hundred eighty-eight million, nine hundred twenty-three thousand, four hundred thirty-one".