65377947887612 has 12 divisors (see below), whose sum is σ = 114589342569576. Its totient is φ = 32638135724880.

The previous prime is 65377947887611. The next prime is 65377947887663. The reversal of 65377947887612 is 21678874977356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65377947887611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12709551839 + ... + 12709556982.

It is an arithmetic number, because the mean of its divisors is an integer number (9549111880798).

Almost surely, 2^{65377947887612} is an apocalyptic number.

It is an amenable number.

65377947887612 is a deficient number, since it is larger than the sum of its proper divisors (49211394681964).

65377947887612 is a wasteful number, since it uses less digits than its factorization.

65377947887612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25419109468 (or 25419109466 counting only the distinct ones).

The product of its digits is 5974456320, while the sum is 80.

The spelling of 65377947887612 in words is "sixty-five trillion, three hundred seventy-seven billion, nine hundred forty-seven million, eight hundred eighty-seven thousand, six hundred twelve".