42858677 has 4 divisors (see below), whose sum is σ = 42915180. Its totient is φ = 42802176.

The previous prime is 42858667. The next prime is 42858703. The reversal of 42858677 is 77685824.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28826161 + 14032516 = 5369^2 + 3746^2 .

It is a cyclic number.

It is not a de Polignac number, because 42858677 - 2⁸ = 42858421 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 (42858667) 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, 27098 + ... + 28635.

It is an arithmetic number, because the mean of its divisors is an integer number (10728795).

Almost surely, 2^42858677 is an apocalyptic number.

It is an amenable number.

42858677 is a deficient number, since it is larger than the sum of its proper divisors (56503).

42858677 is an equidigital number, since it uses as much as digits as its factorization.

42858677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56502.

The product of its digits is 752640, while the sum is 47.

The square root of 42858677 is about 6546.6538781274. The cubic root of 42858677 is about 349.9555780357.

The spelling of 42858677 in words is "forty-two million, eight hundred fifty-eight thousand, six hundred seventy-seven".