87271492 has 36 divisors (see below), whose sum is σ = 191860480. Its totient is φ = 34000560.

The previous prime is 87271487. The next prime is 87271511. The reversal of 87271492 is 29417278.

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 11 ways as a sum of consecutive naturals, for example, 9492 + ... + 16267.

Almost surely, 2^87271492 is an apocalyptic number.

It is an amenable number.

87271492 is an abundant number, since it is smaller than the sum of its proper divisors (104588988).

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

87271492 is a wasteful number, since it uses less digits than its factorization.

87271492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25792 (or 25779 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 87271492 is about 9341.9212156815. The cubic root of 87271492 is about 443.5652007871.

The spelling of 87271492 in words is "eighty-seven million, two hundred seventy-one thousand, four hundred ninety-two".