65672877708 has 42 divisors (see below), whose sum is σ = 172312486164. Its totient is φ = 21890958264.

The previous prime is 65672877593. The next prime is 65672877709. The reversal of 65672877708 is 80777827656.

It is not an unprimeable number, because it can be changed into a prime (65672877709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11257866 + ... + 11263697.

It is an arithmetic number, because the mean of its divisors is an integer number (4102678242).

Almost surely, 2^65672877708 is an apocalyptic number.

It is an amenable number.

65672877708 is an abundant number, since it is smaller than the sum of its proper divisors (106639608456).

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

65672877708 is a wasteful number, since it uses less digits than its factorization.

65672877708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22521585 (or 22521568 counting only the distinct ones).

The product of its (nonzero) digits is 55319040, while the sum is 63.

The spelling of 65672877708 in words is "sixty-five billion, six hundred seventy-two million, eight hundred seventy-seven thousand, seven hundred eight".