427123885 has 8 divisors (see below), whose sum is σ = 515943936. Its totient is φ = 339435600.

The previous prime is 427123871. The next prime is 427123889. The reversal of 427123885 is 588321724.

It is a happy number.

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

It is not a de Polignac number, because 427123885 - 2²⁷ = 292906157 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 (427123889) 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, 282109 + ... + 283618.

It is an arithmetic number, because the mean of its divisors is an integer number (64492992).

Almost surely, 2^427123885 is an apocalyptic number.

It is an amenable number.

427123885 is a deficient number, since it is larger than the sum of its proper divisors (88820051).

427123885 is a wasteful number, since it uses less digits than its factorization.

427123885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565883.

The product of its digits is 107520, while the sum is 40.

The square root of 427123885 is about 20666.9757100549. The cubic root of 427123885 is about 753.0976389341.

The spelling of 427123885 in words is "four hundred twenty-seven million, one hundred twenty-three thousand, eight hundred eighty-five".