8007897783401 has 2 divisors, whose sum is σ = 8007897783402. Its totient is φ = 8007897783400.

The previous prime is 8007897783359. The next prime is 8007897783437. The reversal of 8007897783401 is 1043877987008.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7060047555625 + 947850227776 = 2657075^2 + 973576^2 .

It is a cyclic number.

It is not a de Polignac number, because 8007897783401 - 2³⁰ = 8006824041577 is a prime.

It is a super-2 number, since 2×8007897783401² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8007897783461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4003948891700 + 4003948891701.

It is an arithmetic number, because the mean of its divisors is an integer number (4003948891701).

Almost surely, 2^{8007897783401} is an apocalyptic number.

It is an amenable number.

8007897783401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8007897783401 is an equidigital number, since it uses as much as digits as its factorization.

8007897783401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18966528, while the sum is 62.

The spelling of 8007897783401 in words is "eight trillion, seven billion, eight hundred ninety-seven million, seven hundred eighty-three thousand, four hundred one".