427986995 has 8 divisors (see below), whose sum is σ = 518670000. Its totient is φ = 338999200.

The previous prime is 427986991. The next prime is 427987009. The reversal of 427986995 is 599689724.

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

It is not a de Polignac number, because 427986995 - 2² = 427986991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427986991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423245 + ... + 424254.

It is an arithmetic number, because the mean of its divisors is an integer number (64833750).

Almost surely, 2^427986995 is an apocalyptic number.

427986995 is a deficient number, since it is larger than the sum of its proper divisors (90683005).

427986995 is a wasteful number, since it uses less digits than its factorization.

427986995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847605.

The product of its digits is 9797760, while the sum is 59.

The square root of 427986995 is about 20687.8465529885. The cubic root of 427986995 is about 753.6045712972.

The spelling of 427986995 in words is "four hundred twenty-seven million, nine hundred eighty-six thousand, nine hundred ninety-five".