68577151 has 2 divisors, whose sum is σ = 68577152. Its totient is φ = 68577150.

The previous prime is 68577139. The next prime is 68577161. The reversal of 68577151 is 15177586.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68577151 - 2¹³ = 68568959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68577121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34288575 + 34288576.

It is an arithmetic number, because the mean of its divisors is an integer number (34288576).

Almost surely, 2^68577151 is an apocalyptic number.

68577151 is a deficient number, since it is larger than the sum of its proper divisors (1).

68577151 is an equidigital number, since it uses as much as digits as its factorization.

68577151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 40.

The square root of 68577151 is about 8281.1322293512. The cubic root of 68577151 is about 409.3170287237.

The spelling of 68577151 in words is "sixty-eight million, five hundred seventy-seven thousand, one hundred fifty-one".