427152247 has 8 divisors (see below), whose sum is σ = 429607152. Its totient is φ = 424704000.

The previous prime is 427152241. The next prime is 427152277. The reversal of 427152247 is 742251724.

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

It is a cyclic number.

It is not a de Polignac number, because 427152247 - 2¹⁵ = 427119479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427152241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178972 + ... + 181342.

It is an arithmetic number, because the mean of its divisors is an integer number (53700894).

Almost surely, 2^427152247 is an apocalyptic number.

427152247 is a deficient number, since it is larger than the sum of its proper divisors (2454905).

427152247 is a wasteful number, since it uses less digits than its factorization.

427152247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329.

The product of its digits is 31360, while the sum is 34.

The square root of 427152247 is about 20667.6618658231. The cubic root of 427152247 is about 753.1143076987.

The spelling of 427152247 in words is "four hundred twenty-seven million, one hundred fifty-two thousand, two hundred forty-seven".