427003851 has 4 divisors (see below), whose sum is σ = 569338472. Its totient is φ = 284669232.

The previous prime is 427003849. The next prime is 427003867. The reversal of 427003851 is 158300724.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 427003851 - 2¹ = 427003849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427003831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71167306 + ... + 71167311.

It is an arithmetic number, because the mean of its divisors is an integer number (142334618).

Almost surely, 2^427003851 is an apocalyptic number.

427003851 is a deficient number, since it is larger than the sum of its proper divisors (142334621).

427003851 is a wasteful number, since it uses less digits than its factorization.

427003851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142334620.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 427003851 is about 20664.0715010377. The cubic root of 427003851 is about 753.0270850156.

The spelling of 427003851 in words is "four hundred twenty-seven million, three thousand, eight hundred fifty-one".