86249099 has 16 divisors (see below), whose sum is σ = 92252160. Its totient is φ = 80498880.

The previous prime is 86249081. The next prime is 86249101. The reversal of 86249099 is 99094268.

It is a cyclic number.

It is not a de Polignac number, because 86249099 - 2²⁰ = 85200523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86249299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118274 + ... + 119000.

It is an arithmetic number, because the mean of its divisors is an integer number (5765760).

Almost surely, 2^86249099 is an apocalyptic number.

86249099 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

86249099 is a deficient number, since it is larger than the sum of its proper divisors (6003061).

86249099 is a wasteful number, since it uses less digits than its factorization.

86249099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 86249099 is about 9287.0393021673. The cubic root of 86249099 is about 441.8262576149.

The spelling of 86249099 in words is "eighty-six million, two hundred forty-nine thousand, ninety-nine".