86479899 has 16 divisors (see below), whose sum is σ = 127923840. Its totient is φ = 51522560.

The previous prime is 86479891. The next prime is 86479919. The reversal of 86479899 is 99897468.

It is a cyclic number.

It is not a de Polignac number, because 86479899 - 2³ = 86479891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86479891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20262 + ... + 24155.

It is an arithmetic number, because the mean of its divisors is an integer number (7995240).

Almost surely, 2^86479899 is an apocalyptic number.

86479899 is a deficient number, since it is larger than the sum of its proper divisors (41443941).

86479899 is a wasteful number, since it uses less digits than its factorization.

86479899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44490.

The product of its digits is 7838208, while the sum is 60.

The square root of 86479899 is about 9299.4569196271. The cubic root of 86479899 is about 442.2200112003.

Subtracting 86479899 from its reverse (99897468), we obtain a square (13417569 = 3663²).

It can be divided in two parts, 86479 and 899, that added together give a palindrome (87378).

The spelling of 86479899 in words is "eighty-six million, four hundred seventy-nine thousand, eight hundred ninety-nine".