64487118 has 16 divisors (see below), whose sum is σ = 131160960. Its totient is φ = 21131256.

The previous prime is 64487107. The next prime is 64487131. The reversal of 64487118 is 81178446.

It is a congruent number.

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, 90730 + ... + 91437.

It is an arithmetic number, because the mean of its divisors is an integer number (8197560).

Almost surely, 2^64487118 is an apocalyptic number.

64487118 is an abundant number, since it is smaller than the sum of its proper divisors (66673842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64487118 is a wasteful number, since it uses less digits than its factorization.

64487118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182231.

The product of its digits is 43008, while the sum is 39.

The square root of 64487118 is about 8030.3871637674. The cubic root of 64487118 is about 401.0122653031.

The spelling of 64487118 in words is "sixty-four million, four hundred eighty-seven thousand, one hundred eighteen".