427468864 has 28 divisors (see below), whose sum is σ = 848970108. Its totient is φ = 213555200.

The previous prime is 427468843. The next prime is 427468879. The reversal of 427468864 is 468864724.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 293094400 + 134374464 = 17120^2 + 11592^2 .

It is a super-3 number, since 3×427468864³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108204 + ... + 112084.

It is an arithmetic number, because the mean of its divisors is an integer number (30320361).

Almost surely, 2^427468864 is an apocalyptic number.

It is an amenable number.

427468864 is a deficient number, since it is larger than the sum of its proper divisors (421501244).

427468864 is a wasteful number, since it uses less digits than its factorization.

427468864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614 (or 5604 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 49.

The square root of 427468864 is about 20675.3201668076. The cubic root of 427468864 is about 753.3003380925.

The spelling of 427468864 in words is "four hundred twenty-seven million, four hundred sixty-eight thousand, eight hundred sixty-four".