65880065577 has 16 divisors (see below), whose sum is σ = 88728700032. Its totient is φ = 43475923200.

The previous prime is 65880065551. The next prime is 65880065597. The reversal of 65880065577 is 77556008856.

It is not a de Polignac number, because 65880065577 - 2¹⁵ = 65880032809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65880065527) 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, 1584468 + ... + 1625514.

It is an arithmetic number, because the mean of its divisors is an integer number (5545543752).

Almost surely, 2^65880065577 is an apocalyptic number.

It is an amenable number.

65880065577 is a deficient number, since it is larger than the sum of its proper divisors (22848634455).

65880065577 is a wasteful number, since it uses less digits than its factorization.

65880065577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46448.

The product of its (nonzero) digits is 14112000, while the sum is 57.

The spelling of 65880065577 in words is "sixty-five billion, eight hundred eighty million, sixty-five thousand, five hundred seventy-seven".