7961876453 has 2 divisors, whose sum is σ = 7961876454. Its totient is φ = 7961876452.

The previous prime is 7961876423. The next prime is 7961876467. The reversal of 7961876453 is 3546781697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7959851524 + 2024929 = 89218^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 7961876453 - 2⁶ = 7961876389 is a prime.

It is a super-2 number, since 2×7961876453² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7961876423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3980938226 + 3980938227.

It is an arithmetic number, because the mean of its divisors is an integer number (3980938227).

Almost surely, 2^7961876453 is an apocalyptic number.

It is an amenable number.

7961876453 is a deficient number, since it is larger than the sum of its proper divisors (1).

7961876453 is an equidigital number, since it uses as much as digits as its factorization.

7961876453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 56.

The square root of 7961876453 is about 89229.3474872477. The cubic root of 7961876453 is about 1996.8179778023.

The spelling of 7961876453 in words is "seven billion, nine hundred sixty-one million, eight hundred seventy-six thousand, four hundred fifty-three".