86015872 has 16 divisors (see below), whose sum is σ = 171360000. Its totient is φ = 43007872.

The previous prime is 86015833. The next prime is 86015879. The reversal of 86015872 is 27851068.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86015879) 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 as a sum of consecutive naturals, namely, 335872 + ... + 336127.

It is an arithmetic number, because the mean of its divisors is an integer number (10710000).

Almost surely, 2^86015872 is an apocalyptic number.

It is an amenable number.

86015872 is a deficient number, since it is larger than the sum of its proper divisors (85344128).

86015872 is an equidigital number, since it uses as much as digits as its factorization.

86015872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672013 (or 672001 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 86015872 is about 9274.4742169031. The cubic root of 86015872 is about 441.4276492586.

The spelling of 86015872 in words is "eighty-six million, fifteen thousand, eight hundred seventy-two".