7607678647 has 2 divisors, whose sum is σ = 7607678648. Its totient is φ = 7607678646.

The previous prime is 7607678629. The next prime is 7607678693. The reversal of 7607678647 is 7468767067.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7607678647 - 2¹¹ = 7607676599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7607678591 and 7607678600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7607678047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3803839323 + 3803839324.

It is an arithmetic number, because the mean of its divisors is an integer number (3803839324).

Almost surely, 2^7607678647 is an apocalyptic number.

7607678647 is a deficient number, since it is larger than the sum of its proper divisors (1).

7607678647 is an equidigital number, since it uses as much as digits as its factorization.

7607678647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16595712, while the sum is 58.

The square root of 7607678647 is about 87222.0078133954. The cubic root of 7607678647 is about 1966.7570690641.

The spelling of 7607678647 in words is "seven billion, six hundred seven million, six hundred seventy-eight thousand, six hundred forty-seven".