427678465 has 16 divisors (see below), whose sum is σ = 527819328. Its totient is φ = 332527936.

The previous prime is 427678463. The next prime is 427678477. The reversal of 427678465 is 564876724.

It is not a de Polignac number, because 427678465 - 2¹ = 427678463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427678463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20814 + ... + 35896.

It is an arithmetic number, because the mean of its divisors is an integer number (32988708).

Almost surely, 2^427678465 is an apocalyptic number.

It is an amenable number.

427678465 is a deficient number, since it is larger than the sum of its proper divisors (100140863).

427678465 is a wasteful number, since it uses less digits than its factorization.

427678465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15248.

The product of its digits is 2257920, while the sum is 49.

The square root of 427678465 is about 20680.3884151145. The cubic root of 427678465 is about 753.4234400054.

The spelling of 427678465 in words is "four hundred twenty-seven million, six hundred seventy-eight thousand, four hundred sixty-five".