427101478 has 4 divisors (see below), whose sum is σ = 640652220. Its totient is φ = 213550738.

The previous prime is 427101463. The next prime is 427101481. The reversal of 427101478 is 874101724.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106775368 + ... + 106775371.

It is an arithmetic number, because the mean of its divisors is an integer number (160163055).

Almost surely, 2^427101478 is an apocalyptic number.

427101478 is a deficient number, since it is larger than the sum of its proper divisors (213550742).

427101478 is a wasteful number, since it uses less digits than its factorization.

427101478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213550741.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 427101478 is about 20666.4336062128. The cubic root of 427101478 is about 753.0844694889.

The spelling of 427101478 in words is "four hundred twenty-seven million, one hundred one thousand, four hundred seventy-eight".