868554542 has 8 divisors (see below), whose sum is σ = 1303714776. Its totient is φ = 433982952.

The previous prime is 868554541. The next prime is 868554551. The reversal of 868554542 is 245455868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868554541) 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, 143453 + ... + 149384.

It is an arithmetic number, because the mean of its divisors is an integer number (162964347).

Almost surely, 2^868554542 is an apocalyptic number.

868554542 is a deficient number, since it is larger than the sum of its proper divisors (435160234).

868554542 is a wasteful number, since it uses less digits than its factorization.

868554542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294322.

The product of its digits is 1536000, while the sum is 47.

The square root of 868554542 is about 29471.2494136234. The cubic root of 868554542 is about 954.1112834538. Note that the first 3 decimals are identical.

The spelling of 868554542 in words is "eight hundred sixty-eight million, five hundred fifty-four thousand, five hundred forty-two".