84958823538 has 16 divisors (see below), whose sum is σ = 188797385760. Its totient is φ = 28319607828.

The previous prime is 84958823527. The next prime is 84958823597. The reversal of 84958823538 is 83532885948.

84958823538 is a `hidden beast` number, since 8 + 4 + 95 + 8 + 8 + 2 + 3 + 538 = 666.

It is a super-2 number, since 2×84958823538² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 786655720 + ... + 786655827.

It is an arithmetic number, because the mean of its divisors is an integer number (11799836610).

Almost surely, 2^84958823538 is an apocalyptic number.

84958823538 is an abundant number, since it is smaller than the sum of its proper divisors (103838562222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84958823538 is a wasteful number, since it uses less digits than its factorization.

84958823538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573311558 (or 1573311552 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 63.

The spelling of 84958823538 in words is "eighty-four billion, nine hundred fifty-eight million, eight hundred twenty-three thousand, five hundred thirty-eight".