86451697 has 8 divisors (see below), whose sum is σ = 90950400. Its totient is φ = 82054224.

The previous prime is 86451683. The next prime is 86451713. The reversal of 86451697 is 79615468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86451697 - 2⁷ = 86451569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86451097) 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, 23553 + ... + 26974.

It is an arithmetic number, because the mean of its divisors is an integer number (11368800).

Almost surely, 2^86451697 is an apocalyptic number.

It is an amenable number.

86451697 is a deficient number, since it is larger than the sum of its proper divisors (4498703).

86451697 is a wasteful number, since it uses less digits than its factorization.

86451697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50615.

The product of its digits is 362880, while the sum is 46.

The square root of 86451697 is about 9297.9404708785. The cubic root of 86451697 is about 442.1719351162.

The spelling of 86451697 in words is "eighty-six million, four hundred fifty-one thousand, six hundred ninety-seven".