42888985 has 16 divisors (see below), whose sum is σ = 54336960. Its totient is φ = 32408640.

The previous prime is 42888973. The next prime is 42888991. The reversal of 42888985 is 58988824.

It is not a de Polignac number, because 42888985 - 2¹⁵ = 42856217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62454 + ... + 63136.

It is an arithmetic number, because the mean of its divisors is an integer number (3396060).

Almost surely, 2^42888985 is an apocalyptic number.

It is an amenable number.

42888985 is a deficient number, since it is larger than the sum of its proper divisors (11447975).

42888985 is a wasteful number, since it uses less digits than its factorization.

42888985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368.

The product of its digits is 1474560, while the sum is 52.

The square root of 42888985 is about 6548.9682393489. The cubic root of 42888985 is about 350.0380502850.

The spelling of 42888985 in words is "forty-two million, eight hundred eighty-eight thousand, nine hundred eighty-five".