76178026849 has 2 divisors, whose sum is σ = 76178026850. Its totient is φ = 76178026848.

The previous prime is 76178026781. The next prime is 76178026871. The reversal of 76178026849 is 94862087167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60487959249 + 15690067600 = 245943^2 + 125260^2 .

It is a cyclic number.

It is not a de Polignac number, because 76178026849 - 2⁷ = 76178026721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76178026793 and 76178026802.

It is not a weakly prime, because it can be changed into another prime (76178026949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38089013424 + 38089013425.

It is an arithmetic number, because the mean of its divisors is an integer number (38089013425).

Almost surely, 2^76178026849 is an apocalyptic number.

It is an amenable number.

76178026849 is a deficient number, since it is larger than the sum of its proper divisors (1).

76178026849 is an equidigital number, since it uses as much as digits as its factorization.

76178026849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 76178026849 in words is "seventy-six billion, one hundred seventy-eight million, twenty-six thousand, eight hundred forty-nine".