86240899 has 4 divisors (see below), whose sum is σ = 86300536. Its totient is φ = 86181264.

The previous prime is 86240897. The next prime is 86240933. The reversal of 86240899 is 99804268.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86240899 - 2¹ = 86240897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86240897) 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, 27594 + ... + 30559.

It is an arithmetic number, because the mean of its divisors is an integer number (21575134).

Almost surely, 2^86240899 is an apocalyptic number.

86240899 is a deficient number, since it is larger than the sum of its proper divisors (59637).

86240899 is a wasteful number, since it uses less digits than its factorization.

86240899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59636.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 86240899 is about 9286.5978162080. The cubic root of 86240899 is about 441.8122551880.

The spelling of 86240899 in words is "eighty-six million, two hundred forty thousand, eight hundred ninety-nine".