86994497 has 8 divisors (see below), whose sum is σ = 90629280. Its totient is φ = 83431840.

The previous prime is 86994473. The next prime is 86994527. The reversal of 86994497 is 79449968.

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

It is a cyclic number.

It is not a de Polignac number, because 86994497 - 2⁶ = 86994433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86994997) 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, 15563 + ... + 20400.

It is an arithmetic number, because the mean of its divisors is an integer number (11328660).

Almost surely, 2^86994497 is an apocalyptic number.

It is an amenable number.

86994497 is a deficient number, since it is larger than the sum of its proper divisors (3634783).

86994497 is a wasteful number, since it uses less digits than its factorization.

86994497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36063.

The product of its digits is 3919104, while the sum is 56.

The square root of 86994497 is about 9327.0840566599. The cubic root of 86994497 is about 443.0954194225.

The spelling of 86994497 in words is "eighty-six million, nine hundred ninety-four thousand, four hundred ninety-seven".