65876608655 has 64 divisors (see below), whose sum is σ = 97510694400. Its totient is φ = 42061662720.

The previous prime is 65876608649. The next prime is 65876608657. The reversal of 65876608655 is 55680667856.

It is a de Polignac number, because none of the positive numbers 2^k-65876608655 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65876608657) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1365536 + ... + 1412954.

It is an arithmetic number, because the mean of its divisors is an integer number (1523604600).

Almost surely, 2^65876608655 is an apocalyptic number.

65876608655 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

65876608655 is a deficient number, since it is larger than the sum of its proper divisors (31634085745).

65876608655 is a wasteful number, since it uses less digits than its factorization.

65876608655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47544.

The product of its (nonzero) digits is 72576000, while the sum is 62.

The spelling of 65876608655 in words is "sixty-five billion, eight hundred seventy-six million, six hundred eight thousand, six hundred fifty-five".