64036697888 has 24 divisors (see below), whose sum is σ = 131553652608. Its totient is φ = 30626246464.

The previous prime is 64036697873. The next prime is 64036697903. The reversal of 64036697888 is 88879663046.

64036697888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64036697873) and next prime (64036697903).

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, 43502456 + ... + 43503927.

It is an arithmetic number, because the mean of its divisors is an integer number (5481402192).

Almost surely, 2^64036697888 is an apocalyptic number.

It is an amenable number.

64036697888 is an abundant number, since it is smaller than the sum of its proper divisors (67516954720).

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

64036697888 is a wasteful number, since it uses less digits than its factorization.

64036697888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87006416 (or 87006408 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 65.

The spelling of 64036697888 in words is "sixty-four billion, thirty-six million, six hundred ninety-seven thousand, eight hundred eighty-eight".