87316747 has 8 divisors (see below), whose sum is σ = 100993536. Its totient is φ = 73940712.

The previous prime is 87316729. The next prime is 87316783. The reversal of 87316747 is 74761378.

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-87316747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87316147) 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, 74563 + ... + 75724.

It is an arithmetic number, because the mean of its divisors is an integer number (12624192).

Almost surely, 2^87316747 is an apocalyptic number.

87316747 is a deficient number, since it is larger than the sum of its proper divisors (13676789).

87316747 is a wasteful number, since it uses less digits than its factorization.

87316747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150377.

The product of its digits is 197568, while the sum is 43.

The square root of 87316747 is about 9344.3430480692. The cubic root of 87316747 is about 443.6418584064.

The spelling of 87316747 in words is "eighty-seven million, three hundred sixteen thousand, seven hundred forty-seven".