84002990154 has 48 divisors (see below), whose sum is σ = 178618857888. Its totient is φ = 26331902208.

The previous prime is 84002990119. The next prime is 84002990213. The reversal of 84002990154 is 45109920048.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2125377 + ... + 2164539.

It is an arithmetic number, because the mean of its divisors is an integer number (3721226206).

Almost surely, 2^84002990154 is an apocalyptic number.

84002990154 is an abundant number, since it is smaller than the sum of its proper divisors (94615867734).

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

84002990154 is a wasteful number, since it uses less digits than its factorization.

84002990154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40439 (or 40422 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 84002990154 in words is "eighty-four billion, two million, nine hundred ninety thousand, one hundred fifty-four".