84872388 has 12 divisors (see below), whose sum is σ = 198035600. Its totient is φ = 28290792.

The previous prime is 84872377. The next prime is 84872393. The reversal of 84872388 is 88327848.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3536338 + ... + 3536361.

Almost surely, 2^84872388 is an apocalyptic number.

It is an amenable number.

84872388 is an abundant number, since it is smaller than the sum of its proper divisors (113163212).

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

84872388 is a wasteful number, since it uses less digits than its factorization.

84872388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072706 (or 7072704 counting only the distinct ones).

The product of its digits is 688128, while the sum is 48.

The square root of 84872388 is about 9212.6211253910. The cubic root of 84872388 is about 439.4628224107.

The spelling of 84872388 in words is "eighty-four million, eight hundred seventy-two thousand, three hundred eighty-eight".