42860863 has 4 divisors (see below), whose sum is σ = 42948648. Its totient is φ = 42773080.

The previous prime is 42860833. The next prime is 42860899. The reversal of 42860863 is 36806824.

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

It is a cyclic number.

It is not a de Polignac number, because 42860863 - 2⁹ = 42860351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42860833) 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, 43156 + ... + 44137.

It is an arithmetic number, because the mean of its divisors is an integer number (10737162).

Almost surely, 2^42860863 is an apocalyptic number.

42860863 is a deficient number, since it is larger than the sum of its proper divisors (87785).

42860863 is an equidigital number, since it uses as much as digits as its factorization.

42860863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87784.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 42860863 is about 6546.8208315181. The cubic root of 42860863 is about 349.9615277440.

The spelling of 42860863 in words is "forty-two million, eight hundred sixty thousand, eight hundred sixty-three".