881798402 has 4 divisors (see below), whose sum is σ = 1322697606. Its totient is φ = 440899200.

The previous prime is 881798399. The next prime is 881798413. The reversal of 881798402 is 204897188.

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., 851997721 + 29800681 = 29189^2 + 5459^2 .

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, 220449599 + ... + 220449602.

Almost surely, 2^881798402 is an apocalyptic number.

881798402 is a deficient number, since it is larger than the sum of its proper divisors (440899204).

881798402 is a wasteful number, since it uses less digits than its factorization.

881798402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440899203.

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 881798402 is about 29695.0905369894. The cubic root of 881798402 is about 958.9363226070.

The spelling of 881798402 in words is "eight hundred eighty-one million, seven hundred ninety-eight thousand, four hundred two".