86167426 has 4 divisors (see below), whose sum is σ = 129251142. Its totient is φ = 43083712.

The previous prime is 86167391. The next prime is 86167447. The reversal of 86167426 is 62476168.

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., 83448225 + 2719201 = 9135^2 + 1649^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21541855 + ... + 21541858.

Almost surely, 2^86167426 is an apocalyptic number.

86167426 is a deficient number, since it is larger than the sum of its proper divisors (43083716).

86167426 is a wasteful number, since it uses less digits than its factorization.

86167426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43083715.

The product of its digits is 96768, while the sum is 40.

The square root of 86167426 is about 9282.6411112355. The cubic root of 86167426 is about 441.6867521106.

The spelling of 86167426 in words is "eighty-six million, one hundred sixty-seven thousand, four hundred twenty-six".