8078800997 has 2 divisors, whose sum is σ = 8078800998. Its totient is φ = 8078800996.

The previous prime is 8078800981. The next prime is 8078801033. The reversal of 8078800997 is 7990088708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7890946561 + 187854436 = 88831^2 + 13706^2 .

It is a cyclic number.

It is not a de Polignac number, because 8078800997 - 2⁴ = 8078800981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8078800957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4039400498 + 4039400499.

It is an arithmetic number, because the mean of its divisors is an integer number (4039400499).

Almost surely, 2^8078800997 is an apocalyptic number.

It is an amenable number.

8078800997 is a deficient number, since it is larger than the sum of its proper divisors (1).

8078800997 is an equidigital number, since it uses as much as digits as its factorization.

8078800997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 56.

The square root of 8078800997 is about 89882.1506028867. The cubic root of 8078800997 is about 2006.5453058682.

The spelling of 8078800997 in words is "eight billion, seventy-eight million, eight hundred thousand, nine hundred ninety-seven".