77331211213349 has 16 divisors (see below), whose sum is σ = 81516007372800. Its totient is φ = 73157934869424.

The previous prime is 77331211213327. The next prime is 77331211213379. The reversal of 77331211213349 is 94331211213377.

It is a cyclic number.

It is not a de Polignac number, because 77331211213349 - 2³² = 77326916246053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77331211213379) 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, 59335184 + ... + 60624470.

It is an arithmetic number, because the mean of its divisors is an integer number (5094750460800).

Almost surely, 2^{77331211213349} is an apocalyptic number.

It is an amenable number.

77331211213349 is a deficient number, since it is larger than the sum of its proper divisors (4184796159451).

77331211213349 is a wasteful number, since it uses less digits than its factorization.

77331211213349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293752.

The product of its digits is 571536, while the sum is 47.

The spelling of 77331211213349 in words is "seventy-seven trillion, three hundred thirty-one billion, two hundred eleven million, two hundred thirteen thousand, three hundred forty-nine".