427208378 has 16 divisors (see below), whose sum is σ = 645793344. Its totient is φ = 211948800.

The previous prime is 427208377. The next prime is 427208389. The reversal of 427208378 is 873802724.

It is not an unprimeable number, because it can be changed into a prime (427208377) 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, 350426 + ... + 351642.

It is an arithmetic number, because the mean of its divisors is an integer number (40362084).

Almost surely, 2^427208378 is an apocalyptic number.

427208378 is a deficient number, since it is larger than the sum of its proper divisors (218584966).

427208378 is a wasteful number, since it uses less digits than its factorization.

427208378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 427208378 is about 20669.0197638882. The cubic root of 427208378 is about 753.1472945381.

The spelling of 427208378 in words is "four hundred twenty-seven million, two hundred eight thousand, three hundred seventy-eight".