86378120 has 16 divisors (see below), whose sum is σ = 194350860. Its totient is φ = 34551232.

The previous prime is 86378111. The next prime is 86378137. The reversal of 86378120 is 2187368.

It can be written as a sum of positive squares in 2 ways, for example, as 84971524 + 1406596 = 9218^2 + 1186^2 .

It is a super-2 number, since 2×86378120² = 14922359229468800, which contains 22 as substring.

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, 1079687 + ... + 1079766.

Almost surely, 2^86378120 is an apocalyptic number.

It is an amenable number.

86378120 is an abundant number, since it is smaller than the sum of its proper divisors (107972740).

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

86378120 is a wasteful number, since it uses less digits than its factorization.

86378120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159464 (or 2159460 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 86378120 is about 9293.9829997693. The cubic root of 86378120 is about 442.0464588116.

The spelling of 86378120 in words is "eighty-six million, three hundred seventy-eight thousand, one hundred twenty".