86485178 has 16 divisors (see below), whose sum is σ = 140993160. Its totient is φ = 39548736.

The previous prime is 86485153. The next prime is 86485181. The reversal of 86485178 is 87158468.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36881329 + 49603849 = 6073^2 + 7043^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12425 + ... + 18092.

Almost surely, 2^86485178 is an apocalyptic number.

86485178 is a deficient number, since it is larger than the sum of its proper divisors (54507982).

86485178 is a wasteful number, since it uses less digits than its factorization.

86485178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30641.

The product of its digits is 430080, while the sum is 47.

The square root of 86485178 is about 9299.7407490747. The cubic root of 86485178 is about 442.2290091754.

The spelling of 86485178 in words is "eighty-six million, four hundred eighty-five thousand, one hundred seventy-eight".