77826874223 has 16 divisors (see below), whose sum is σ = 89348413440. Its totient is φ = 66406386816.

The previous prime is 77826874219. The next prime is 77826874271. The reversal of 77826874223 is 32247862877.

It is not a de Polignac number, because 77826874223 - 2² = 77826874219 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 (77826874273) 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, 6178790 + ... + 6191372.

It is an arithmetic number, because the mean of its divisors is an integer number (5584275840).

Almost surely, 2^77826874223 is an apocalyptic number.

77826874223 is a deficient number, since it is larger than the sum of its proper divisors (11521539217).

77826874223 is a wasteful number, since it uses less digits than its factorization.

77826874223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16526.

The product of its digits is 12644352, while the sum is 56.

The spelling of 77826874223 in words is "seventy-seven billion, eight hundred twenty-six million, eight hundred seventy-four thousand, two hundred twenty-three".