86456997 has 16 divisors (see below), whose sum is σ = 139728960. Its totient is φ = 52398000.

The previous prime is 86456969. The next prime is 86456999. The reversal of 86456997 is 79965468.

It is not a de Polignac number, because 86456997 - 2⁶ = 86456933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86456999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145254 + ... + 145847.

It is an arithmetic number, because the mean of its divisors is an integer number (8733060).

Almost surely, 2^86456997 is an apocalyptic number.

It is an amenable number.

86456997 is a deficient number, since it is larger than the sum of its proper divisors (53271963).

86456997 is a wasteful number, since it uses less digits than its factorization.

86456997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291121 (or 291115 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 86456997 is about 9298.2254758637. The cubic root of 86456997 is about 442.1809708493.

The spelling of 86456997 in words is "eighty-six million, four hundred fifty-six thousand, nine hundred ninety-seven".