65780892092 has 12 divisors (see below), whose sum is σ = 115944738840. Its totient is φ = 32653823856.

The previous prime is 65780892077. The next prime is 65780892109. The reversal of 65780892092 is 29029808756.

65780892092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×65780892092³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59154923 + ... + 59156034.

It is an arithmetic number, because the mean of its divisors is an integer number (9662061570).

Almost surely, 2^65780892092 is an apocalyptic number.

It is an amenable number.

65780892092 is a deficient number, since it is larger than the sum of its proper divisors (50163846748).

65780892092 is a wasteful number, since it uses less digits than its factorization.

65780892092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118311100 (or 118311098 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 65780892092 in words is "sixty-five billion, seven hundred eighty million, eight hundred ninety-two thousand, ninety-two".