77912223313 has 16 divisors (see below), whose sum is σ = 79847389440. Its totient is φ = 75989056000.

The previous prime is 77912223307. The next prime is 77912223383. The reversal of 77912223313 is 31332221977.

It is a cyclic number.

It is not a de Polignac number, because 77912223313 - 2¹⁷ = 77912092241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77912223383) 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, 25619073 + ... + 25622113.

It is an arithmetic number, because the mean of its divisors is an integer number (4990461840).

Almost surely, 2^77912223313 is an apocalyptic number.

It is an amenable number.

77912223313 is a deficient number, since it is larger than the sum of its proper divisors (1935166127).

77912223313 is a wasteful number, since it uses less digits than its factorization.

77912223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808.

The product of its digits is 95256, while the sum is 40.

The spelling of 77912223313 in words is "seventy-seven billion, nine hundred twelve million, two hundred twenty-three thousand, three hundred thirteen".