868341457 has 4 divisors (see below), whose sum is σ = 868748800. Its totient is φ = 867934116.

The previous prime is 868341449. The next prime is 868341473. The reversal of 868341457 is 754143868.

It is a happy number.

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 868341457 - 2³ = 868341449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868341407) 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, 200457 + ... + 204742.

It is an arithmetic number, because the mean of its divisors is an integer number (217187200).

Almost surely, 2^868341457 is an apocalyptic number.

It is an amenable number.

868341457 is a deficient number, since it is larger than the sum of its proper divisors (407343).

868341457 is a wasteful number, since it uses less digits than its factorization.

868341457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407342.

The product of its digits is 645120, while the sum is 46.

The square root of 868341457 is about 29467.6340584038. The cubic root of 868341457 is about 954.0332521112.

The spelling of 868341457 in words is "eight hundred sixty-eight million, three hundred forty-one thousand, four hundred fifty-seven".