77726722233 has 16 divisors (see below), whose sum is σ = 106174002816. Its totient is φ = 50548882560.

The previous prime is 77726722231. The next prime is 77726722253. The reversal of 77726722233 is 33222762777.

It is not a de Polignac number, because 77726722233 - 2¹ = 77726722231 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77726722231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492591 + ... + 1543787.

It is an arithmetic number, because the mean of its divisors is an integer number (6635875176).

Almost surely, 2^77726722233 is an apocalyptic number.

It is an amenable number.

77726722233 is a deficient number, since it is larger than the sum of its proper divisors (28447280583).

77726722233 is a wasteful number, since it uses less digits than its factorization.

77726722233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63584.

The product of its digits is 2074464, while the sum is 48.

The spelling of 77726722233 in words is "seventy-seven billion, seven hundred twenty-six million, seven hundred twenty-two thousand, two hundred thirty-three".