8725681007 has 2 divisors, whose sum is σ = 8725681008. Its totient is φ = 8725681006.

The previous prime is 8725680941. The next prime is 8725681039. The reversal of 8725681007 is 7001865278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8725681007 - 2²² = 8721486703 is a prime.

It is a super-2 number, since 2×8725681007² (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 (8725681067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4362840503 + 4362840504.

It is an arithmetic number, because the mean of its divisors is an integer number (4362840504).

Almost surely, 2^8725681007 is an apocalyptic number.

8725681007 is a deficient number, since it is larger than the sum of its proper divisors (1).

8725681007 is an equidigital number, since it uses as much as digits as its factorization.

8725681007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 8725681007 is about 93411.3537371127. The cubic root of 8725681007 is about 2058.7318212434.

The spelling of 8725681007 in words is "eight billion, seven hundred twenty-five million, six hundred eighty-one thousand, seven".