86039680 has 32 divisors (see below), whose sum is σ = 205690140. Its totient is φ = 34415616.

The previous prime is 86039633. The next prime is 86039693. The reversal of 86039680 is 8693068.

It can be written as a sum of positive squares in 2 ways, for example, as 85969984 + 69696 = 9272^2 + 264^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66579 + ... + 67858.

Almost surely, 2^86039680 is an apocalyptic number.

86039680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86039680 is an abundant number, since it is smaller than the sum of its proper divisors (119650460).

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

86039680 is a wasteful number, since it uses less digits than its factorization.

86039680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134456 (or 134444 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 86039680 is about 9275.7576509954. The cubic root of 86039680 is about 441.4683725180.

The spelling of 86039680 in words is "eighty-six million, thirty-nine thousand, six hundred eighty".