84889251504 has 40 divisors (see below), whose sum is σ = 243663593520. Its totient is φ = 28296417024.

The previous prime is 84889251467. The next prime is 84889251541. The reversal of 84889251504 is 40515298848.

84889251504 is a `hidden beast` number, since 8 + 4 + 8 + 89 + 2 + 51 + 504 = 666.

It is an interprime number because it is at equal distance from previous prime (84889251467) and next prime (84889251541).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 98251017 + ... + 98251880.

It is an arithmetic number, because the mean of its divisors is an integer number (6091589838).

Almost surely, 2^84889251504 is an apocalyptic number.

It is an amenable number.

84889251504 is an abundant number, since it is smaller than the sum of its proper divisors (158774342016).

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

84889251504 is a wasteful number, since it uses less digits than its factorization.

84889251504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196502914 (or 196502902 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 54.

The spelling of 84889251504 in words is "eighty-four billion, eight hundred eighty-nine million, two hundred fifty-one thousand, five hundred four".