7806925993 has 2 divisors, whose sum is σ = 7806925994. Its totient is φ = 7806925992.

The previous prime is 7806925991. The next prime is 7806926003. The reversal of 7806925993 is 3995296087.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7486229529 + 320696464 = 86523^2 + 17908^2 .

It is a cyclic number.

It is not a de Polignac number, because 7806925993 - 2¹ = 7806925991 is a prime.

Together with 7806925991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7806925991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3903462996 + 3903462997.

It is an arithmetic number, because the mean of its divisors is an integer number (3903462997).

Almost surely, 2^7806925993 is an apocalyptic number.

It is an amenable number.

7806925993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7806925993 is an equidigital number, since it uses as much as digits as its factorization.

7806925993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The square root of 7806925993 is about 88356.8106769365. The cubic root of 7806925993 is about 1983.7792995083.

The spelling of 7806925993 in words is "seven billion, eight hundred six million, nine hundred twenty-five thousand, nine hundred ninety-three".