427289274577 has 16 divisors (see below), whose sum is σ = 475319445120. Its totient is φ = 380864736000.

The previous prime is 427289274551. The next prime is 427289274613. The reversal of 427289274577 is 775472982724.

It is a cyclic number.

It is not a de Polignac number, because 427289274577 - 2¹⁹ = 427288750289 is a prime.

It is a super-2 number, since 2×427289274577² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427289274277) 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, 1752552 + ... + 1981417.

It is an arithmetic number, because the mean of its divisors is an integer number (29707465320).

Almost surely, 2^427289274577 is an apocalyptic number.

It is an amenable number.

427289274577 is a deficient number, since it is larger than the sum of its proper divisors (48030170543).

427289274577 is a wasteful number, since it uses less digits than its factorization.

427289274577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734184.

The product of its digits is 110638080, while the sum is 64.

The spelling of 427289274577 in words is "four hundred twenty-seven billion, two hundred eighty-nine million, two hundred seventy-four thousand, five hundred seventy-seven".