881357426 has 4 divisors (see below), whose sum is σ = 1322036142. Its totient is φ = 440678712.

The previous prime is 881357387. The next prime is 881357437. The reversal of 881357426 is 624753188.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 879181801 + 2175625 = 29651^2 + 1475^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220339355 + ... + 220339358.

Almost surely, 2^881357426 is an apocalyptic number.

881357426 is a deficient number, since it is larger than the sum of its proper divisors (440678716).

881357426 is a wasteful number, since it uses less digits than its factorization.

881357426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440678715.

The product of its digits is 322560, while the sum is 44.

The square root of 881357426 is about 29687.6645427019. The cubic root of 881357426 is about 958.7764453937.

The spelling of 881357426 in words is "eight hundred eighty-one million, three hundred fifty-seven thousand, four hundred twenty-six".