86851099 has 16 divisors (see below), whose sum is σ = 92561920. Its totient is φ = 81375840.

The previous prime is 86851097. The next prime is 86851103. The reversal of 86851099 is 99015868.

It is a cyclic number.

It is not a de Polignac number, because 86851099 - 2¹ = 86851097 is a prime.

It is a super-2 number, since 2×86851099² = 15086226795015602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86851097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125344 + ... + 126034.

It is an arithmetic number, because the mean of its divisors is an integer number (5785120).

Almost surely, 2^86851099 is an apocalyptic number.

86851099 is a deficient number, since it is larger than the sum of its proper divisors (5710821).

86851099 is a wasteful number, since it uses less digits than its factorization.

86851099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 86851099 is about 9319.3937034552. The cubic root of 86851099 is about 442.8518256980.

The spelling of 86851099 in words is "eighty-six million, eight hundred fifty-one thousand, ninety-nine".