65685377676 has 12 divisors (see below), whose sum is σ = 153265881272. Its totient is φ = 21895125888.

The previous prime is 65685377671. The next prime is 65685377677. The reversal of 65685377676 is 67677358656.

65685377676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (65685377671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2736890725 + ... + 2736890748.

Almost surely, 2^65685377676 is an apocalyptic number.

It is an amenable number.

65685377676 is an abundant number, since it is smaller than the sum of its proper divisors (87580503596).

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

65685377676 is a wasteful number, since it uses less digits than its factorization.

65685377676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473781480 (or 5473781478 counting only the distinct ones).

The product of its digits is 266716800, while the sum is 66.

The spelling of 65685377676 in words is "sixty-five billion, six hundred eighty-five million, three hundred seventy-seven thousand, six hundred seventy-six".