427770047 has 8 divisors (see below), whose sum is σ = 454744560. Its totient is φ = 401241600.

The previous prime is 427770043. The next prime is 427770053. The reversal of 427770047 is 740077724.

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 427770047 - 2² = 427770043 is a prime.

It is a super-2 number, since 2×427770047² = 365974426220764418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427770041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109538 + ... + 113375.

It is an arithmetic number, because the mean of its divisors is an integer number (56843070).

Almost surely, 2^427770047 is an apocalyptic number.

427770047 is a deficient number, since it is larger than the sum of its proper divisors (26974513).

427770047 is a wasteful number, since it uses less digits than its factorization.

427770047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223033.

The product of its (nonzero) digits is 76832, while the sum is 38.

The square root of 427770047 is about 20682.6025199925. The cubic root of 427770047 is about 753.4772149061.

The spelling of 427770047 in words is "four hundred twenty-seven million, seven hundred seventy thousand, forty-seven".