86994859 has 8 divisors (see below), whose sum is σ = 99481088. Its totient is φ = 74523240.

The previous prime is 86994847. The next prime is 86994883. The reversal of 86994859 is 95849968.

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 86994859 - 2⁷ = 86994731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86994839) 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, 16654 + ... + 21244.

It is an arithmetic number, because the mean of its divisors is an integer number (12435136).

Almost surely, 2^86994859 is an apocalyptic number.

86994859 is a deficient number, since it is larger than the sum of its proper divisors (12486229).

86994859 is a wasteful number, since it uses less digits than its factorization.

86994859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7305.

The product of its digits is 5598720, while the sum is 58.

The square root of 86994859 is about 9327.1034624904. The cubic root of 86994859 is about 443.0960340220.

The spelling of 86994859 in words is "eighty-six million, nine hundred ninety-four thousand, eight hundred fifty-nine".