76840491043 has 2 divisors, whose sum is σ = 76840491044. Its totient is φ = 76840491042.

The previous prime is 76840491037. The next prime is 76840491047. The reversal of 76840491043 is 34019404867.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76840491043 is a prime.

It is a super-2 number, since 2×76840491043² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76840490984 and 76840491002.

It is not a weakly prime, because it can be changed into another prime (76840491047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38420245521 + 38420245522.

It is an arithmetic number, because the mean of its divisors is an integer number (38420245522).

Almost surely, 2^76840491043 is an apocalyptic number.

76840491043 is a deficient number, since it is larger than the sum of its proper divisors (1).

76840491043 is an equidigital number, since it uses as much as digits as its factorization.

76840491043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 76840491043 in words is "seventy-six billion, eight hundred forty million, four hundred ninety-one thousand, forty-three".