427907379 has 12 divisors (see below), whose sum is σ = 602153736. Its totient is φ = 270256608.

The previous prime is 427907377. The next prime is 427907399. The reversal of 427907379 is 973709724.

It is a happy number.

It is not a de Polignac number, because 427907379 - 2¹ = 427907377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427907377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196474 + ... + 198639.

It is an arithmetic number, because the mean of its divisors is an integer number (50179478).

Almost surely, 2^427907379 is an apocalyptic number.

427907379 is a deficient number, since it is larger than the sum of its proper divisors (174246357).

427907379 is a wasteful number, since it uses less digits than its factorization.

427907379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395154 (or 395135 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 48.

The square root of 427907379 is about 20685.9222419500. The cubic root of 427907379 is about 753.5578388006.

The spelling of 427907379 in words is "four hundred twenty-seven million, nine hundred seven thousand, three hundred seventy-nine".