68857975041 has 4 divisors (see below), whose sum is σ = 91810633392. Its totient is φ = 45905316692.

The previous prime is 68857975037. The next prime is 68857975063. The reversal of 68857975041 is 14057975886.

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 68857975041 - 2² = 68857975037 is a prime.

It is a super-3 number, since 3×68857975041³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68857975001) 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, 11476329171 + ... + 11476329176.

It is an arithmetic number, because the mean of its divisors is an integer number (22952658348).

Almost surely, 2^68857975041 is an apocalyptic number.

It is an amenable number.

68857975041 is a deficient number, since it is larger than the sum of its proper divisors (22952658351).

68857975041 is a wasteful number, since it uses less digits than its factorization.

68857975041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22952658350.

The product of its (nonzero) digits is 16934400, while the sum is 60.

The spelling of 68857975041 in words is "sixty-eight billion, eight hundred fifty-seven million, nine hundred seventy-five thousand, forty-one".