65871310975 has 12 divisors (see below), whose sum is σ = 81684276336. Its totient is φ = 52694564480.

The previous prime is 65871310963. The next prime is 65871310991. The reversal of 65871310975 is 57901317856.

It is not a de Polignac number, because 65871310975 - 2²⁹ = 65334440063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630039 + ... + 727111.

It is an arithmetic number, because the mean of its divisors is an integer number (6807023028).

Almost surely, 2^65871310975 is an apocalyptic number.

65871310975 is a deficient number, since it is larger than the sum of its proper divisors (15812965361).

65871310975 is a wasteful number, since it uses less digits than its factorization.

65871310975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124226 (or 124221 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 52.

The spelling of 65871310975 in words is "sixty-five billion, eight hundred seventy-one million, three hundred ten thousand, nine hundred seventy-five".