78088700801 has 2 divisors, whose sum is σ = 78088700802. Its totient is φ = 78088700800.

The previous prime is 78088700797. The next prime is 78088700803. The reversal of 78088700801 is 10800788087.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68369698576 + 9719002225 = 261476^2 + 98585^2 .

It is an emirp because it is prime and its reverse (10800788087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78088700801 - 2² = 78088700797 is a prime.

Together with 78088700803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78088700803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39044350400 + 39044350401.

It is an arithmetic number, because the mean of its divisors is an integer number (39044350401).

Almost surely, 2^78088700801 is an apocalyptic number.

It is an amenable number.

78088700801 is a deficient number, since it is larger than the sum of its proper divisors (1).

78088700801 is an equidigital number, since it uses as much as digits as its factorization.

78088700801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200704, while the sum is 47.

The spelling of 78088700801 in words is "seventy-eight billion, eighty-eight million, seven hundred thousand, eight hundred one".