68701017677 has 4 divisors (see below), whose sum is σ = 69155991456. Its totient is φ = 68246043900.

The previous prime is 68701017653. The next prime is 68701017709. The reversal of 68701017677 is 77671010786.

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 68701017677 - 2⁸ = 68701017421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68701017607) 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, 227486663 + ... + 227486964.

It is an arithmetic number, because the mean of its divisors is an integer number (17288997864).

Almost surely, 2^68701017677 is an apocalyptic number.

It is an amenable number.

68701017677 is a deficient number, since it is larger than the sum of its proper divisors (454973779).

68701017677 is a wasteful number, since it uses less digits than its factorization.

68701017677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454973778.

The product of its (nonzero) digits is 691488, while the sum is 50.

The spelling of 68701017677 in words is "sixty-eight billion, seven hundred one million, seventeen thousand, six hundred seventy-seven".