84958823539 has 12 divisors (see below), whose sum is σ = 90269277952. Its totient is φ = 79932718800.

The previous prime is 84958823527. The next prime is 84958823597. The reversal of 84958823539 is 93532885948.

It is not a de Polignac number, because 84958823539 - 2¹¹ = 84958821491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84958823039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1284147 + ... + 1348684.

Almost surely, 2^84958823539 is an apocalyptic number.

84958823539 is a deficient number, since it is larger than the sum of its proper divisors (5310454413).

84958823539 is a wasteful number, since it uses less digits than its factorization.

84958823539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632938 (or 2632915 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 64.

The spelling of 84958823539 in words is "eighty-four billion, nine hundred fifty-eight million, eight hundred twenty-three thousand, five hundred thirty-nine".