84694090239 has 48 divisors (see below), whose sum is σ = 138193171200. Its totient is φ = 51226710480.

The previous prime is 84694090207. The next prime is 84694090267. The reversal of 84694090239 is 93209049648.

It is not a de Polignac number, because 84694090239 - 2⁵ = 84694090207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84694090289) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1617532 + ... + 1669070.

It is an arithmetic number, because the mean of its divisors is an integer number (2879024400).

Almost surely, 2^84694090239 is an apocalyptic number.

84694090239 is a deficient number, since it is larger than the sum of its proper divisors (53499080961).

84694090239 is a wasteful number, since it uses less digits than its factorization.

84694090239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52073 (or 52056 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 84694090239 in words is "eighty-four billion, six hundred ninety-four million, ninety thousand, two hundred thirty-nine".