86550980 has 12 divisors (see below), whose sum is σ = 181757100. Its totient is φ = 34620384.

The previous prime is 86550979. The next prime is 86551007. The reversal of 86550980 is 8905568.

It can be written as a sum of positive squares in 2 ways, for example, as 23951236 + 62599744 = 4894^2 + 7912^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 2163755 + ... + 2163794.

It is an arithmetic number, because the mean of its divisors is an integer number (15146425).

Almost surely, 2^86550980 is an apocalyptic number.

It is an amenable number.

86550980 is an abundant number, since it is smaller than the sum of its proper divisors (95206120).

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

86550980 is a wasteful number, since it uses less digits than its factorization.

86550980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327558 (or 4327556 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 86550980 is about 9303.2779169495. The cubic root of 86550980 is about 442.3411369679.

The spelling of 86550980 in words is "eighty-six million, five hundred fifty thousand, nine hundred eighty".