76416839771 has 2 divisors, whose sum is σ = 76416839772. Its totient is φ = 76416839770.

The previous prime is 76416839767. The next prime is 76416839783. The reversal of 76416839771 is 17793861467.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76416839771 - 2² = 76416839767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76416839771.

It is not a weakly prime, because it can be changed into another prime (76416839711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38208419885 + 38208419886.

It is an arithmetic number, because the mean of its divisors is an integer number (38208419886).

Almost surely, 2^76416839771 is an apocalyptic number.

76416839771 is a deficient number, since it is larger than the sum of its proper divisors (1).

76416839771 is an equidigital number, since it uses as much as digits as its factorization.

76416839771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10668672, while the sum is 59.

The spelling of 76416839771 in words is "seventy-six billion, four hundred sixteen million, eight hundred thirty-nine thousand, seven hundred seventy-one".