427569739775 has 24 divisors (see below), whose sum is σ = 533079047424. Its totient is φ = 340190409600.

The previous prime is 427569739763. The next prime is 427569739783. The reversal of 427569739775 is 577937965724.

It is not a de Polignac number, because 427569739775 - 2¹⁶ = 427569674239 is a prime.

It is a super-2 number, since 2×427569739775² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427569739699 and 427569739708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34550489 + ... + 34562861.

It is an arithmetic number, because the mean of its divisors is an integer number (22211626976).

Almost surely, 2^427569739775 is an apocalyptic number.

427569739775 is a deficient number, since it is larger than the sum of its proper divisors (105509307649).

427569739775 is a wasteful number, since it uses less digits than its factorization.

427569739775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19811 (or 19806 counting only the distinct ones).

The product of its digits is 700131600, while the sum is 71.

The spelling of 427569739775 in words is "four hundred twenty-seven billion, five hundred sixty-nine million, seven hundred thirty-nine thousand, seven hundred seventy-five".