881159567402 has 4 divisors (see below), whose sum is σ = 1321739351106. Its totient is φ = 440579783700.

The previous prime is 881159567389. The next prime is 881159567411. The reversal of 881159567402 is 204765951188.

881159567402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 938701²+1.

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., 881159567401 + 1 = 938701^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220289891849 + ... + 220289891852.

Almost surely, 2^881159567402 is an apocalyptic number.

881159567402 is a deficient number, since it is larger than the sum of its proper divisors (440579783704).

881159567402 is a wasteful number, since it uses less digits than its factorization.

881159567402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440579783703.

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 881159567402 in words is "eight hundred eighty-one billion, one hundred fifty-nine million, five hundred sixty-seven thousand, four hundred two".