67857197703 has 4 divisors (see below), whose sum is σ = 90476263608. Its totient is φ = 45238131800.

The previous prime is 67857197699. The next prime is 67857197713. The reversal of 67857197703 is 30779175876.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67857197703 - 2² = 67857197699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67857197713) 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, 11309532948 + ... + 11309532953.

It is an arithmetic number, because the mean of its divisors is an integer number (22619065902).

Almost surely, 2^67857197703 is an apocalyptic number.

67857197703 is a deficient number, since it is larger than the sum of its proper divisors (22619065905).

67857197703 is a wasteful number, since it uses less digits than its factorization.

67857197703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22619065904.

The product of its (nonzero) digits is 15558480, while the sum is 60.

The spelling of 67857197703 in words is "sixty-seven billion, eight hundred fifty-seven million, one hundred ninety-seven thousand, seven hundred three".