86307860 has 24 divisors (see below), whose sum is σ = 182034216. Its totient is φ = 34373120.

The previous prime is 86307817. The next prime is 86307877. The reversal of 86307860 is 6870368.

It can be written as a sum of positive squares in 4 ways, for example, as 21215236 + 65092624 = 4606^2 + 8068^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4601 + ... + 13920.

It is an arithmetic number, because the mean of its divisors is an integer number (7584759).

Almost surely, 2^86307860 is an apocalyptic number.

It is an amenable number.

86307860 is an abundant number, since it is smaller than the sum of its proper divisors (95726356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86307860 is a wasteful number, since it uses less digits than its factorization.

86307860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18763 (or 18761 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 86307860 is about 9290.2023659337. The cubic root of 86307860 is about 441.9265727073.

The spelling of 86307860 in words is "eighty-six million, three hundred seven thousand, eight hundred sixty".