427347851 has 8 divisors (see below), whose sum is σ = 497613024. Its totient is φ = 359386560.

The previous prime is 427347847. The next prime is 427347901. The reversal of 427347851 is 158743724.

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 427347851 - 2² = 427347847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427347799 and 427347808.

It is not an unprimeable number, because it can be changed into a prime (427347821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575570 + ... + 576311.

It is an arithmetic number, because the mean of its divisors is an integer number (62201628).

Almost surely, 2^427347851 is an apocalyptic number.

427347851 is a deficient number, since it is larger than the sum of its proper divisors (70265173).

427347851 is a wasteful number, since it uses less digits than its factorization.

427347851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151941.

The product of its digits is 188160, while the sum is 41.

The square root of 427347851 is about 20672.3934511706. The cubic root of 427347851 is about 753.2292469597.

The spelling of 427347851 in words is "four hundred twenty-seven million, three hundred forty-seven thousand, eight hundred fifty-one".