862427542 has 4 divisors (see below), whose sum is σ = 1293641316. Its totient is φ = 431213770.

The previous prime is 862427507. The next prime is 862427543. The reversal of 862427542 is 245724268.

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

It is a junction number, because it is equal to n+sod(n) for n = 862427495 and 862427504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (862427543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215606884 + ... + 215606887.

It is an arithmetic number, because the mean of its divisors is an integer number (323410329).

Almost surely, 2^862427542 is an apocalyptic number.

862427542 is a deficient number, since it is larger than the sum of its proper divisors (431213774).

862427542 is a wasteful number, since it uses less digits than its factorization.

862427542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431213773.

The product of its digits is 215040, while the sum is 40.

The square root of 862427542 is about 29367.1166783530. The cubic root of 862427542 is about 951.8624743965.

The spelling of 862427542 in words is "eight hundred sixty-two million, four hundred twenty-seven thousand, five hundred forty-two".