87317942 has 8 divisors (see below), whose sum is σ = 131663232. Its totient is φ = 43430200.

The previous prime is 87317921. The next prime is 87317953. The reversal of 87317942 is 24971378.

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

It is a self number, because there is not a number n which added to its sum of digits gives 87317942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113909 + ... + 114672.

It is an arithmetic number, because the mean of its divisors is an integer number (16457904).

Almost surely, 2^87317942 is an apocalyptic number.

87317942 is a deficient number, since it is larger than the sum of its proper divisors (44345290).

87317942 is a wasteful number, since it uses less digits than its factorization.

87317942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228774.

The product of its digits is 84672, while the sum is 41.

The square root of 87317942 is about 9344.4069902803. The cubic root of 87317942 is about 443.6438822626.

The spelling of 87317942 in words is "eighty-seven million, three hundred seventeen thousand, nine hundred forty-two".