65256750772 has 12 divisors (see below), whose sum is σ = 114269515360. Its totient is φ = 32608317816.

The previous prime is 65256750731. The next prime is 65256750781. The reversal of 65256750772 is 27705765256.

It is a happy number.

It is a congruent number.

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, 5007072 + ... + 5020087.

Almost surely, 2^65256750772 is an apocalyptic number.

It is an amenable number.

65256750772 is a deficient number, since it is larger than the sum of its proper divisors (49012764588).

65256750772 is a wasteful number, since it uses less digits than its factorization.

65256750772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028790 (or 10028788 counting only the distinct ones).

The product of its (nonzero) digits is 6174000, while the sum is 52.

The spelling of 65256750772 in words is "sixty-five billion, two hundred fifty-six million, seven hundred fifty thousand, seven hundred seventy-two".