7993078801 has 2 divisors, whose sum is σ = 7993078802. Its totient is φ = 7993078800.

The previous prime is 7993078787. The next prime is 7993078813. The reversal of 7993078801 is 1088703997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7949505600 + 43573201 = 89160^2 + 6601^2 .

It is an emirp because it is prime and its reverse (1088703997) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7993078801 is a prime.

It is not a weakly prime, because it can be changed into another prime (7993078831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996539400 + 3996539401.

It is an arithmetic number, because the mean of its divisors is an integer number (3996539401).

Almost surely, 2^7993078801 is an apocalyptic number.

It is an amenable number.

7993078801 is a deficient number, since it is larger than the sum of its proper divisors (1).

7993078801 is an equidigital number, since it uses as much as digits as its factorization.

7993078801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 52.

The square root of 7993078801 is about 89404.0200494363. The cubic root of 7993078801 is about 1999.4230670068.

The spelling of 7993078801 in words is "seven billion, nine hundred ninety-three million, seventy-eight thousand, eight hundred one".