77424234843 has 16 divisors (see below), whose sum is σ = 105682734080. Its totient is φ = 50392075104.

The previous prime is 77424234799. The next prime is 77424234857. The reversal of 77424234843 is 34843242477.

It is not a de Polignac number, because 77424234843 - 2⁹ = 77424234331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77424234792 and 77424234801.

It is not an unprimeable number, because it can be changed into a prime (77424234343) 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, 136413 + ... + 416481.

It is an arithmetic number, because the mean of its divisors is an integer number (6605170880).

Almost surely, 2^77424234843 is an apocalyptic number.

77424234843 is a deficient number, since it is larger than the sum of its proper divisors (28258499237).

77424234843 is a wasteful number, since it uses less digits than its factorization.

77424234843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282258.

The product of its digits is 3612672, while the sum is 48.

The spelling of 77424234843 in words is "seventy-seven billion, four hundred twenty-four million, two hundred thirty-four thousand, eight hundred forty-three".