86427508 has 12 divisors (see below), whose sum is σ = 154937412. Its totient is φ = 42159680.

The previous prime is 86427469. The next prime is 86427527. The reversal of 86427508 is 80572468.

It can be written as a sum of positive squares in 2 ways, for example, as 32581264 + 53846244 = 5708^2 + 7338^2 .

It is a congruent number.

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, 263335 + ... + 263662.

It is an arithmetic number, because the mean of its divisors is an integer number (12911451).

Almost surely, 2^86427508 is an apocalyptic number.

It is an amenable number.

86427508 is a deficient number, since it is larger than the sum of its proper divisors (68509904).

86427508 is a wasteful number, since it uses less digits than its factorization.

86427508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527042 (or 527040 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 86427508 is about 9296.6396079444. The cubic root of 86427508 is about 442.1306916820.

The spelling of 86427508 in words is "eighty-six million, four hundred twenty-seven thousand, five hundred eight".