68758877 has 4 divisors (see below), whose sum is σ = 75009696. Its totient is φ = 62508060.

The previous prime is 68758873. The next prime is 68758883. The reversal of 68758877 is 77885786.

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 68758877 - 2² = 68758873 is a prime.

It is a super-2 number, since 2×68758877² = 9455566332602258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68758871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3125393 + ... + 3125414.

It is an arithmetic number, because the mean of its divisors is an integer number (18752424).

Almost surely, 2^68758877 is an apocalyptic number.

It is an amenable number.

68758877 is a deficient number, since it is larger than the sum of its proper divisors (6250819).

68758877 is a wasteful number, since it uses less digits than its factorization.

68758877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250818.

The product of its digits is 5268480, while the sum is 56.

The square root of 68758877 is about 8292.0972618512. The cubic root of 68758877 is about 409.6782663352.

The spelling of 68758877 in words is "sixty-eight million, seven hundred fifty-eight thousand, eight hundred seventy-seven".