65789800772 has 6 divisors (see below), whose sum is σ = 115132151358. Its totient is φ = 32894900384.

The previous prime is 65789800723. The next prime is 65789800807. The reversal of 65789800772 is 27700898756.

It can be written as a sum of positive squares in only one way, i.e., 42265603396 + 23524197376 = 205586^2 + 153376^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8223725093 + ... + 8223725100.

It is an arithmetic number, because the mean of its divisors is an integer number (19188691893).

Almost surely, 2^65789800772 is an apocalyptic number.

It is an amenable number.

65789800772 is a deficient number, since it is larger than the sum of its proper divisors (49342350586).

65789800772 is a wasteful number, since it uses less digits than its factorization.

65789800772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16447450197 (or 16447450195 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 59.

The spelling of 65789800772 in words is "sixty-five billion, seven hundred eighty-nine million, eight hundred thousand, seven hundred seventy-two".