64017030887 has 4 divisors (see below), whose sum is σ = 66800380080. Its totient is φ = 61233681696.

The previous prime is 64017030827. The next prime is 64017030911. The reversal of 64017030887 is 78803071046.

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

It is a cyclic number.

It is not a de Polignac number, because 64017030887 - 2²⁰ = 64015982311 is a prime.

It is a super-2 number, since 2×64017030887² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64017030827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391674562 + ... + 1391674607.

It is an arithmetic number, because the mean of its divisors is an integer number (16700095020).

Almost surely, 2^64017030887 is an apocalyptic number.

64017030887 is a deficient number, since it is larger than the sum of its proper divisors (2783349193).

64017030887 is a wasteful number, since it uses less digits than its factorization.

64017030887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783349192.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 64017030887 in words is "sixty-four billion, seventeen million, thirty thousand, eight hundred eighty-seven".