65960780873 has 16 divisors (see below), whose sum is σ = 71319830400. Its totient is φ = 60642785280.

The previous prime is 65960780863. The next prime is 65960780891. The reversal of 65960780873 is 37808706956.

65960780873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 65960780873 - 2⁴ = 65960780857 is a prime.

It is a super-2 number, since 2×65960780873² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65960780803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5690798 + ... + 5702376.

It is an arithmetic number, because the mean of its divisors is an integer number (4457489400).

Almost surely, 2^65960780873 is an apocalyptic number.

It is an amenable number.

65960780873 is a deficient number, since it is larger than the sum of its proper divisors (5359049527).

65960780873 is a wasteful number, since it uses less digits than its factorization.

65960780873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13312.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 65960780873 in words is "sixty-five billion, nine hundred sixty million, seven hundred eighty thousand, eight hundred seventy-three".