87272322 has 32 divisors (see below), whose sum is σ = 185328000. Its totient is φ = 27303168.

The previous prime is 87272321. The next prime is 87272323. The reversal of 87272322 is 22327278.

It is an interprime number because it is at equal distance from previous prime (87272321) and next prime (87272323).

It is not an unprimeable number, because it can be changed into a prime (87272321) 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, 43804 + ... + 45752.

It is an arithmetic number, because the mean of its divisors is an integer number (5791500).

Almost surely, 2^87272322 is an apocalyptic number.

87272322 is an abundant number, since it is smaller than the sum of its proper divisors (98055678).

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

87272322 is a wasteful number, since it uses less digits than its factorization.

87272322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410.

The product of its digits is 18816, while the sum is 33.

The square root of 87272322 is about 9341.9656389863. The cubic root of 87272322 is about 443.5666069659.

The spelling of 87272322 in words is "eighty-seven million, two hundred seventy-two thousand, three hundred twenty-two".