86689097 has 4 divisors (see below), whose sum is σ = 94569936. Its totient is φ = 78808260.

The previous prime is 86689087. The next prime is 86689121. The reversal of 86689097 is 79098668.

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 86689097 - 2⁴ = 86689081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86689027) 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, 3940403 + ... + 3940424.

It is an arithmetic number, because the mean of its divisors is an integer number (23642484).

Almost surely, 2^86689097 is an apocalyptic number.

It is an amenable number.

86689097 is a deficient number, since it is larger than the sum of its proper divisors (7880839).

86689097 is a wasteful number, since it uses less digits than its factorization.

86689097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7880838.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 86689097 is about 9310.6979867247. The cubic root of 86689097 is about 442.5763061190.

The spelling of 86689097 in words is "eighty-six million, six hundred eighty-nine thousand, ninety-seven".