7678888753 has 2 divisors, whose sum is σ = 7678888754. Its totient is φ = 7678888752.

The previous prime is 7678888739. The next prime is 7678888823. The reversal of 7678888753 is 3578888767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7208519409 + 470369344 = 84903^2 + 21688^2 .

It is an emirp because it is prime and its reverse (3578888767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7678888753 - 2²⁵ = 7645334321 is a prime.

It is not a weakly prime, because it can be changed into another prime (7678880753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3839444376 + 3839444377.

It is an arithmetic number, because the mean of its divisors is an integer number (3839444377).

Almost surely, 2^7678888753 is an apocalyptic number.

It is an amenable number.

7678888753 is a deficient number, since it is larger than the sum of its proper divisors (1).

7678888753 is an equidigital number, since it uses as much as digits as its factorization.

7678888753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126443520, while the sum is 67.

The square root of 7678888753 is about 87629.2688147060. The cubic root of 7678888753 is about 1972.8744961671.

The spelling of 7678888753 in words is "seven billion, six hundred seventy-eight million, eight hundred eighty-eight thousand, seven hundred fifty-three".