64872159 has 32 divisors (see below), whose sum is σ = 99532800. Its totient is φ = 37215360.

The previous prime is 64872151. The next prime is 64872169. The reversal of 64872159 is 95127846.

It is not a de Polignac number, because 64872159 - 2³ = 64872151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64872159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64872151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50082 + ... + 51360.

It is an arithmetic number, because the mean of its divisors is an integer number (3110400).

Almost surely, 2^64872159 is an apocalyptic number.

64872159 is a deficient number, since it is larger than the sum of its proper divisors (34660641).

64872159 is a wasteful number, since it uses less digits than its factorization.

64872159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375.

The product of its digits is 120960, while the sum is 42.

The square root of 64872159 is about 8054.3254838627. The cubic root of 64872159 is about 401.8088061384.

It can be divided in two parts, 6487 and 2159, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 64872159 in words is "sixty-four million, eight hundred seventy-two thousand, one hundred fifty-nine".