87176932387 has 8 divisors (see below), whose sum is σ = 87607405760. Its totient is φ = 86746622760.

The previous prime is 87176932319. The next prime is 87176932391. The reversal of 87176932387 is 78323967178.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87176932387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87176932397) 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, 1105288 + ... + 1181530.

It is an arithmetic number, because the mean of its divisors is an integer number (10950925720).

Almost surely, 2^87176932387 is an apocalyptic number.

87176932387 is a deficient number, since it is larger than the sum of its proper divisors (430473373).

87176932387 is a wasteful number, since it uses less digits than its factorization.

87176932387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81873.

The product of its digits is 21337344, while the sum is 61.

The spelling of 87176932387 in words is "eighty-seven billion, one hundred seventy-six million, nine hundred thirty-two thousand, three hundred eighty-seven".