42759885 has 32 divisors (see below), whose sum is σ = 78520320. Its totient is φ = 19464768.

The previous prime is 42759883. The next prime is 42759887. The reversal of 42759885 is 58895724.

It is an interprime number because it is at equal distance from previous prime (42759883) and next prime (42759887).

It is not a de Polignac number, because 42759885 - 2¹ = 42759883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42759883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28996 + ... + 30434.

It is an arithmetic number, because the mean of its divisors is an integer number (2453760).

Almost surely, 2^42759885 is an apocalyptic number.

It is an amenable number.

42759885 is a deficient number, since it is larger than the sum of its proper divisors (35760435).

42759885 is a wasteful number, since it uses less digits than its factorization.

42759885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737.

The product of its digits is 806400, while the sum is 48.

The square root of 42759885 is about 6539.1042964614. The cubic root of 42759885 is about 349.6864811484.

The spelling of 42759885 in words is "forty-two million, seven hundred fifty-nine thousand, eight hundred eighty-five".