68611607 has 2 divisors, whose sum is σ = 68611608. Its totient is φ = 68611606.

The previous prime is 68611597. The next prime is 68611619. The reversal of 68611607 is 70611686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68611607 - 2⁴ = 68611591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68611637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34305803 + 34305804.

It is an arithmetic number, because the mean of its divisors is an integer number (34305804).

Almost surely, 2^68611607 is an apocalyptic number.

68611607 is a deficient number, since it is larger than the sum of its proper divisors (1).

68611607 is an equidigital number, since it uses as much as digits as its factorization.

68611607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 68611607 is about 8283.2123599483. The cubic root of 68611607 is about 409.3855698532.

The spelling of 68611607 in words is "sixty-eight million, six hundred eleven thousand, six hundred seven".