427377345405 has 64 divisors (see below), whose sum is σ = 747555091200. Its totient is φ = 207740712960.

The previous prime is 427377345403. The next prime is 427377345407. The reversal of 427377345405 is 504543773724.

It is an interprime number because it is at equal distance from previous prime (427377345403) and next prime (427377345407).

It is not a de Polignac number, because 427377345405 - 2¹ = 427377345403 is a prime.

It is a super-2 number, since 2×427377345405² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427377345403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 710815 + ... + 1166195.

It is an arithmetic number, because the mean of its divisors is an integer number (11680548300).

Almost surely, 2^427377345405 is an apocalyptic number.

It is an amenable number.

427377345405 is a deficient number, since it is larger than the sum of its proper divisors (320177745795).

427377345405 is a wasteful number, since it uses less digits than its factorization.

427377345405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455534.

The product of its (nonzero) digits is 9878400, while the sum is 51.

The spelling of 427377345405 in words is "four hundred twenty-seven billion, three hundred seventy-seven million, three hundred forty-five thousand, four hundred five".