65377671850 has 24 divisors (see below), whose sum is σ = 121627260000. Its totient is φ = 26145737520.

The previous prime is 65377671841. The next prime is 65377671871. The reversal of 65377671850 is 5817677356.

It is a junction number, because it is equal to n+sod(n) for n = 65377671791 and 65377671800.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 119169 + ... + 380731.

It is an arithmetic number, because the mean of its divisors is an integer number (5067802500).

Almost surely, 2^65377671850 is an apocalyptic number.

65377671850 is a deficient number, since it is larger than the sum of its proper divisors (56249588150).

65377671850 is a wasteful number, since it uses less digits than its factorization.

65377671850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266574 (or 266569 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 65377671850 in words is "sixty-five billion, three hundred seventy-seven million, six hundred seventy-one thousand, eight hundred fifty".