86896657 has 4 divisors (see below), whose sum is σ = 87180016. Its totient is φ = 86613300.

The previous prime is 86896643. The next prime is 86896681. The reversal of 86896657 is 75669868.

It is a happy number.

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 86896657 - 2⁷ = 86896529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86896598 and 86896607.

It is not an unprimeable number, because it can be changed into a prime (86896637) 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, 141219 + ... + 141832.

It is an arithmetic number, because the mean of its divisors is an integer number (21795004).

Almost surely, 2^86896657 is an apocalyptic number.

It is an amenable number.

86896657 is a deficient number, since it is larger than the sum of its proper divisors (283359).

86896657 is a wasteful number, since it uses less digits than its factorization.

86896657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283358.

The product of its digits is 4354560, while the sum is 55.

The square root of 86896657 is about 9321.8376407230. The cubic root of 86896657 is about 442.9292452396.

The spelling of 86896657 in words is "eighty-six million, eight hundred ninety-six thousand, six hundred fifty-seven".