64865880003 has 8 divisors (see below), whose sum is σ = 86515041616. Its totient is φ = 43230319200.

The previous prime is 64865879951. The next prime is 64865880067. The reversal of 64865880003 is 30008856846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64865880003 - 2¹⁷ = 64865748931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64865880403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3389068 + ... + 3408153.

It is an arithmetic number, because the mean of its divisors is an integer number (10814380202).

Almost surely, 2^64865880003 is an apocalyptic number.

64865880003 is a deficient number, since it is larger than the sum of its proper divisors (21649161613).

64865880003 is a wasteful number, since it uses less digits than its factorization.

64865880003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800405.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 64865880003 in words is "sixty-four billion, eight hundred sixty-five million, eight hundred eighty thousand, three".