77892766361 has 16 divisors (see below), whose sum is σ = 85455129600. Its totient is φ = 70708455168.

The previous prime is 77892766349. The next prime is 77892766397. The reversal of 77892766361 is 16366729877.

It is a cyclic number.

It is not a de Polignac number, because 77892766361 - 2⁶ = 77892766297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77892766294 and 77892766303.

It is not an unprimeable number, because it can be changed into a prime (77892766261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679481 + ... + 785798.

It is an arithmetic number, because the mean of its divisors is an integer number (5340945600).

Almost surely, 2^77892766361 is an apocalyptic number.

It is an amenable number.

77892766361 is a deficient number, since it is larger than the sum of its proper divisors (7562363239).

77892766361 is a wasteful number, since it uses less digits than its factorization.

77892766361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465408.

The product of its digits is 32006016, while the sum is 62.

The spelling of 77892766361 in words is "seventy-seven billion, eight hundred ninety-two million, seven hundred sixty-six thousand, three hundred sixty-one".