880423779481 has 3 divisors (see below), whose sum is σ = 880424717791. Its totient is φ = 880422841172.

The previous prime is 880423779461. The next prime is 880423779551. The reversal of 880423779481 is 184977324088.

The square root of 880423779481 is 938309.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 246521187081 + 633902592400 = 496509^2 + 796180^2 .

It is not a de Polignac number, because 880423779481 - 2²⁹ = 879886908569 is a prime.

It is a super-2 number, since 2×880423779481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (880423779461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 469155 + ... + 1407463.

Almost surely, 2^880423779481 is an apocalyptic number.

880423779481 is the 938309-th square number.

880423779481 is the 469155-th centered octagonal number.

It is an amenable number.

880423779481 is a deficient number, since it is larger than the sum of its proper divisors (938310).

880423779481 is an frugal number, since it uses more digits than its factorization.

880423779481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876618 (or 938309 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 61.

The spelling of 880423779481 in words is "eight hundred eighty billion, four hundred twenty-three million, seven hundred seventy-nine thousand, four hundred eighty-one".