87251334 has 8 divisors (see below), whose sum is σ = 174502680. Its totient is φ = 29083776.

The previous prime is 87251323. The next prime is 87251341. The reversal of 87251334 is 43315278.

It is a sphenic number, since it is the product of 3 distinct primes.

87251334 is an admirable number.

It is a super-2 number, since 2×87251334² = 15225590569559112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87251295 and 87251304.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7270939 + ... + 7270950.

It is an arithmetic number, because the mean of its divisors is an integer number (21812835).

Almost surely, 2^87251334 is an apocalyptic number.

87251334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87251334 is a wasteful number, since it uses less digits than its factorization.

87251334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14541894.

The product of its digits is 20160, while the sum is 33.

The square root of 87251334 is about 9340.8422532446. The cubic root of 87251334 is about 443.5310465419.

The spelling of 87251334 in words is "eighty-seven million, two hundred fifty-one thousand, three hundred thirty-four".