86995697 has 4 divisors (see below), whose sum is σ = 87014976. Its totient is φ = 86976420.

The previous prime is 86995693. The next prime is 86995717. The reversal of 86995697 is 79659968.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86995697 - 2² = 86995693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86995693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172 + ... + 13242.

It is an arithmetic number, because the mean of its divisors is an integer number (21753744).

Almost surely, 2^86995697 is an apocalyptic number.

It is an amenable number.

86995697 is a deficient number, since it is larger than the sum of its proper divisors (19279).

86995697 is a wasteful number, since it uses less digits than its factorization.

86995697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19278.

The product of its digits is 7348320, while the sum is 59.

The square root of 86995697 is about 9327.1483852247. The cubic root of 86995697 is about 443.0974567624.

The spelling of 86995697 in words is "eighty-six million, nine hundred ninety-five thousand, six hundred ninety-seven".