86872470 has 32 divisors (see below), whose sum is σ = 213345792. Its totient is φ = 22626912.

The previous prime is 86872453. The next prime is 86872477. The reversal of 86872470 is 7427868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86872477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32382 + ... + 34961.

It is an arithmetic number, because the mean of its divisors is an integer number (6667056).

Almost surely, 2^86872470 is an apocalyptic number.

86872470 is an abundant number, since it is smaller than the sum of its proper divisors (126473322).

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

86872470 is a wasteful number, since it uses less digits than its factorization.

86872470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67396.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 86872470 is about 9320.5402203950. The cubic root of 86872470 is about 442.8881461373. Note that the first 3 decimals are identical.

The spelling of 86872470 in words is "eighty-six million, eight hundred seventy-two thousand, four hundred seventy".