68410857 has 4 divisors (see below), whose sum is σ = 91214480. Its totient is φ = 45607236.

The previous prime is 68410801. The next prime is 68410861. The reversal of 68410857 is 75801486.

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 not a de Polignac number, because 68410857 - 2¹⁸ = 68148713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68410357) 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, 11401807 + ... + 11401812.

It is an arithmetic number, because the mean of its divisors is an integer number (22803620).

Almost surely, 2^68410857 is an apocalyptic number.

It is an amenable number.

68410857 is a deficient number, since it is larger than the sum of its proper divisors (22803623).

68410857 is a wasteful number, since it uses less digits than its factorization.

68410857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22803622.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 68410857 is about 8271.0855998472. The cubic root of 68410857 is about 408.9859074578.

The spelling of 68410857 in words is "sixty-eight million, four hundred ten thousand, eight hundred fifty-seven".