76842224891 has 2 divisors, whose sum is σ = 76842224892. Its totient is φ = 76842224890.

The previous prime is 76842224867. The next prime is 76842224933. The reversal of 76842224891 is 19842224867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76842224891 - 2¹⁰ = 76842223867 is a prime.

It is not a weakly prime, because it can be changed into another prime (76842221891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38421112445 + 38421112446.

It is an arithmetic number, because the mean of its divisors is an integer number (38421112446).

Almost surely, 2^76842224891 is an apocalyptic number.

76842224891 is a deficient number, since it is larger than the sum of its proper divisors (1).

76842224891 is an equidigital number, since it uses as much as digits as its factorization.

76842224891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 53.

The spelling of 76842224891 in words is "seventy-six billion, eight hundred forty-two million, two hundred twenty-four thousand, eight hundred ninety-one".