76799039455577 has 2 divisors, whose sum is σ = 76799039455578. Its totient is φ = 76799039455576.

The previous prime is 76799039455531. The next prime is 76799039455583. The reversal of 76799039455577 is 77555493099767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67261961392921 + 9537078062656 = 8201339^2 + 3088216^2 .

It is a cyclic number.

It is not a de Polignac number, because 76799039455577 - 2⁸ = 76799039455321 is a prime.

It is a super-2 number, since 2×76799039455577² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76799039455495 and 76799039455504.

It is not a weakly prime, because it can be changed into another prime (76799039455597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38399519727788 + 38399519727789.

It is an arithmetic number, because the mean of its divisors is an integer number (38399519727789).

Almost surely, 2^{76799039455577} is an apocalyptic number.

It is an amenable number.

76799039455577 is a deficient number, since it is larger than the sum of its proper divisors (1).

76799039455577 is an equidigital number, since it uses as much as digits as its factorization.

76799039455577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15752961000, while the sum is 83.

The spelling of 76799039455577 in words is "seventy-six trillion, seven hundred ninety-nine billion, thirty-nine million, four hundred fifty-five thousand, five hundred seventy-seven".