87151324 has 24 divisors (see below), whose sum is σ = 171390240. Its totient is φ = 38474304.

The previous prime is 87151321. The next prime is 87151327. The reversal of 87151324 is 42315178.

It is an interprime number because it is at equal distance from previous prime (87151321) and next prime (87151327).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87151321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35239 + ... + 37630.

It is an arithmetic number, because the mean of its divisors is an integer number (7141260).

Almost surely, 2^87151324 is an apocalyptic number.

It is an amenable number.

87151324 is a deficient number, since it is larger than the sum of its proper divisors (84238916).

87151324 is a wasteful number, since it uses less digits than its factorization.

87151324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72909 (or 72907 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 87151324 is about 9335.4873466788. The cubic root of 87151324 is about 443.3615190527.

The spelling of 87151324 in words is "eighty-seven million, one hundred fifty-one thousand, three hundred twenty-four".