1872142858 has 8 divisors (see below), whose sum is σ = 2873521728. Its totient is φ = 914302284.

The previous prime is 1872142843. The next prime is 1872142859. The reversal of 1872142858 is 8582412781.

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

It is not an unprimeable number, because it can be changed into a prime (1872142859) 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, 10884466 + ... + 10884637.

It is an arithmetic number, because the mean of its divisors is an integer number (359190216).

Almost surely, 2^1872142858 is an apocalyptic number.

1872142858 is a deficient number, since it is larger than the sum of its proper divisors (1001378870).

1872142858 is a wasteful number, since it uses less digits than its factorization.

1872142858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21769148.

The product of its digits is 286720, while the sum is 46.

The square root of 1872142858 is about 43268.2661774192. The cubic root of 1872142858 is about 1232.4793793686.

The spelling of 1872142858 in words is "one billion, eight hundred seventy-two million, one hundred forty-two thousand, eight hundred fifty-eight".