427845378 has 8 divisors (see below), whose sum is σ = 855690768. Its totient is φ = 142615124.

The previous prime is 427845377. The next prime is 427845389. The reversal of 427845378 is 873548724.

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

427845378 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (427845377) 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, 35653776 + ... + 35653787.

It is an arithmetic number, because the mean of its divisors is an integer number (106961346).

Almost surely, 2^427845378 is an apocalyptic number.

427845378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427845378 is a wasteful number, since it uses less digits than its factorization.

427845378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71307568.

The product of its digits is 1505280, while the sum is 48.

The square root of 427845378 is about 20684.4235597708. The cubic root of 427845378 is about 753.5214418305.

The spelling of 427845378 in words is "four hundred twenty-seven million, eight hundred forty-five thousand, three hundred seventy-eight".