86047899 has 32 divisors (see below), whose sum is σ = 138915840. Its totient is φ = 46312992.

The previous prime is 86047891. The next prime is 86047933. The reversal of 86047899 is 99874068.

It is a happy number.

It is not a de Polignac number, because 86047899 - 2³ = 86047891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86047891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31032 + ... + 33690.

It is an arithmetic number, because the mean of its divisors is an integer number (4341120).

Almost surely, 2^86047899 is an apocalyptic number.

86047899 is a deficient number, since it is larger than the sum of its proper divisors (52867941).

86047899 is a wasteful number, since it uses less digits than its factorization.

86047899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 86047899 is about 9276.2006770013. The cubic root of 86047899 is about 441.4824292611.

The spelling of 86047899 in words is "eighty-six million, forty-seven thousand, eight hundred ninety-nine".