427376801 has 4 divisors (see below), whose sum is σ = 427421232. Its totient is φ = 427332372.

The previous prime is 427376791. The next prime is 427376809. The reversal of 427376801 is 108673724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427376801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427376809) 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, 1091 + ... + 29256.

It is an arithmetic number, because the mean of its divisors is an integer number (106855308).

Almost surely, 2^427376801 is an apocalyptic number.

It is an amenable number.

427376801 is a deficient number, since it is larger than the sum of its proper divisors (44431).

427376801 is a wasteful number, since it uses less digits than its factorization.

427376801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44430.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 427376801 is about 20673.0936485084. The cubic root of 427376801 is about 753.2462553478.

The spelling of 427376801 in words is "four hundred twenty-seven million, three hundred seventy-six thousand, eight hundred one".