86418154 has 4 divisors (see below), whose sum is σ = 129627234. Its totient is φ = 43209076.

The previous prime is 86418149. The next prime is 86418161. The reversal of 86418154 is 45181468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47293129 + 39125025 = 6877^2 + 6255^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21604537 + ... + 21604540.

Almost surely, 2^86418154 is an apocalyptic number.

86418154 is a deficient number, since it is larger than the sum of its proper divisors (43209080).

86418154 is a wasteful number, since it uses less digits than its factorization.

86418154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43209079.

The product of its digits is 30720, while the sum is 37.

The square root of 86418154 is about 9296.1365093247. The cubic root of 86418154 is about 442.1147405888.

The spelling of 86418154 in words is "eighty-six million, four hundred eighteen thousand, one hundred fifty-four".