68676577 has 4 divisors (see below), whose sum is σ = 68724736. Its totient is φ = 68628420.

The previous prime is 68676571. The next prime is 68676581. The reversal of 68676577 is 77567686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68676577 - 2⁷ = 68676449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68676571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21873 + ... + 24814.

It is an arithmetic number, because the mean of its divisors is an integer number (17181184).

Almost surely, 2^68676577 is an apocalyptic number.

It is an amenable number.

68676577 is a deficient number, since it is larger than the sum of its proper divisors (48159).

68676577 is a wasteful number, since it uses less digits than its factorization.

68676577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48158.

The product of its digits is 2963520, while the sum is 52.

The square root of 68676577 is about 8287.1332196363. The cubic root of 68676577 is about 409.5147481399.

The spelling of 68676577 in words is "sixty-eight million, six hundred seventy-six thousand, five hundred seventy-seven".