77344336433 has 32 divisors (see below), whose sum is σ = 100858141440. Its totient is φ = 57558343680.

The previous prime is 77344336367. The next prime is 77344336441. The reversal of 77344336433 is 33463344377.

It is a cyclic number.

It is not a de Polignac number, because 77344336433 - 2¹⁶ = 77344270897 is a prime.

It is a super-2 number, since 2×77344336433² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77344336633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2489153 + ... + 2520033.

It is an arithmetic number, because the mean of its divisors is an integer number (3151816920).

Almost surely, 2^77344336433 is an apocalyptic number.

It is an amenable number.

77344336433 is a deficient number, since it is larger than the sum of its proper divisors (23513805007).

77344336433 is a wasteful number, since it uses less digits than its factorization.

77344336433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32537.

The product of its digits is 4572288, while the sum is 47.

The spelling of 77344336433 in words is "seventy-seven billion, three hundred forty-four million, three hundred thirty-six thousand, four hundred thirty-three".