427206550 has 12 divisors (see below), whose sum is σ = 794604276. Its totient is φ = 170882600.

The previous prime is 427206491. The next prime is 427206587. The reversal of 427206550 is 55602724.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4272016 + ... + 4272115.

It is an arithmetic number, because the mean of its divisors is an integer number (66217023).

Almost surely, 2^427206550 is an apocalyptic number.

427206550 is a deficient number, since it is larger than the sum of its proper divisors (367397726).

427206550 is a wasteful number, since it uses less digits than its factorization.

427206550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544143 (or 8544138 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 427206550 is about 20668.9755430694. The cubic root of 427206550 is about 753.1462203120.

The spelling of 427206550 in words is "four hundred twenty-seven million, two hundred six thousand, five hundred fifty".