86895971 has 8 divisors (see below), whose sum is σ = 88209600. Its totient is φ = 85587840.

The previous prime is 86895947. The next prime is 86896003. The reversal of 86895971 is 17959868.

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-86895971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86895071) 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, 39131 + ... + 41291.

It is an arithmetic number, because the mean of its divisors is an integer number (11026200).

Almost surely, 2^86895971 is an apocalyptic number.

86895971 is a deficient number, since it is larger than the sum of its proper divisors (1313629).

86895971 is a wasteful number, since it uses less digits than its factorization.

86895971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749.

The product of its digits is 1088640, while the sum is 53.

The square root of 86895971 is about 9321.8008453303. The cubic root of 86895971 is about 442.9280796778.

The spelling of 86895971 in words is "eighty-six million, eight hundred ninety-five thousand, nine hundred seventy-one".