42887901 has 8 divisors (see below), whose sum is σ = 65353024. Its totient is φ = 24507360.

The previous prime is 42887891. The next prime is 42887909. The reversal of 42887901 is 10978824.

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

It is not a de Polignac number, because 42887901 - 2⁵ = 42887869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42887901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42887909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021120 + ... + 1021161.

It is an arithmetic number, because the mean of its divisors is an integer number (8169128).

Almost surely, 2^42887901 is an apocalyptic number.

It is an amenable number.

42887901 is a deficient number, since it is larger than the sum of its proper divisors (22465123).

42887901 is a wasteful number, since it uses less digits than its factorization.

42887901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042291.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 42887901 is about 6548.8854776977. The cubic root of 42887901 is about 350.0351012415.

The spelling of 42887901 in words is "forty-two million, eight hundred eighty-seven thousand, nine hundred one".