86474015 has 4 divisors (see below), whose sum is σ = 103768824. Its totient is φ = 69179208.

The previous prime is 86474009. The next prime is 86474021. The reversal of 86474015 is 51047468.

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

It is an interprime number because it is at equal distance from previous prime (86474009) and next prime (86474021).

It is a cyclic number.

It is not a de Polignac number, because 86474015 - 2⁸ = 86473759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8647397 + ... + 8647406.

It is an arithmetic number, because the mean of its divisors is an integer number (25942206).

Almost surely, 2^86474015 is an apocalyptic number.

86474015 is a deficient number, since it is larger than the sum of its proper divisors (17294809).

86474015 is a wasteful number, since it uses less digits than its factorization.

86474015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17294808.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 86474015 is about 9299.1405516854. The cubic root of 86474015 is about 442.2099815804.

The spelling of 86474015 in words is "eighty-six million, four hundred seventy-four thousand, fifteen".