427333899 has 8 divisors (see below), whose sum is σ = 570051792. Its totient is φ = 284752640.

The previous prime is 427333891. The next prime is 427333901. The reversal of 427333899 is 998333724.

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

It is a cyclic number.

It is not a de Polignac number, because 427333899 - 2³ = 427333891 is a prime.

It is a super-2 number, since 2×427333899² = 365228522469084402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427333891) 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, 26622 + ... + 39539.

It is an arithmetic number, because the mean of its divisors is an integer number (71256474).

Almost surely, 2^427333899 is an apocalyptic number.

427333899 is a deficient number, since it is larger than the sum of its proper divisors (142717893).

427333899 is a wasteful number, since it uses less digits than its factorization.

427333899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68317.

The product of its digits is 979776, while the sum is 48.

The square root of 427333899 is about 20672.0559935387. The cubic root of 427333899 is about 753.2210497586.

The spelling of 427333899 in words is "four hundred twenty-seven million, three hundred thirty-three thousand, eight hundred ninety-nine".