7649797807 has 2 divisors, whose sum is σ = 7649797808. Its totient is φ = 7649797806.

The previous prime is 7649797783. The next prime is 7649797867. The reversal of 7649797807 is 7087979467.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7649797807 - 2⁷ = 7649797679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7649797867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3824898903 + 3824898904.

It is an arithmetic number, because the mean of its divisors is an integer number (3824898904).

Almost surely, 2^7649797807 is an apocalyptic number.

7649797807 is a deficient number, since it is larger than the sum of its proper divisors (1).

7649797807 is an equidigital number, since it uses as much as digits as its factorization.

7649797807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37340352, while the sum is 64.

The square root of 7649797807 is about 87463.1225545944. The cubic root of 7649797807 is about 1970.3799766073.

The spelling of 7649797807 in words is "seven billion, six hundred forty-nine million, seven hundred ninety-seven thousand, eight hundred seven".