2112457858 has 8 divisors (see below), whose sum is σ = 3621356352. Its totient is φ = 905339076.

The previous prime is 2112457813. The next prime is 2112457873. The reversal of 2112457858 is 8587542112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75444910 + ... + 75444937.

It is an arithmetic number, because the mean of its divisors is an integer number (452669544).

Almost surely, 2^2112457858 is an apocalyptic number.

2112457858 is a deficient number, since it is larger than the sum of its proper divisors (1508898494).

2112457858 is a wasteful number, since it uses less digits than its factorization.

2112457858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150889856.

The product of its digits is 179200, while the sum is 43.

The square root of 2112457858 is about 45961.4823303165. The cubic root of 2112457858 is about 1283.1064396461.

The spelling of 2112457858 in words is "two billion, one hundred twelve million, four hundred fifty-seven thousand, eight hundred fifty-eight".