86428180 has 24 divisors (see below), whose sum is σ = 183199968. Its totient is φ = 34247328.

The previous prime is 86428141. The next prime is 86428193. The reversal of 86428180 is 8182468.

It is a super-2 number, since 2×86428180² = 14939660596224800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 18054 + ... + 22333.

It is an arithmetic number, because the mean of its divisors is an integer number (7633332).

Almost surely, 2^86428180 is an apocalyptic number.

It is an amenable number.

86428180 is an abundant number, since it is smaller than the sum of its proper divisors (96771788).

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

86428180 is a wasteful number, since it uses less digits than its factorization.

86428180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40503 (or 40501 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 86428180 is about 9296.6757499657. The cubic root of 86428180 is about 442.1318375789.

The spelling of 86428180 in words is "eighty-six million, four hundred twenty-eight thousand, one hundred eighty".