881395078 has 4 divisors (see below), whose sum is σ = 1322092620. Its totient is φ = 440697538.

The previous prime is 881395063. The next prime is 881395133. The reversal of 881395078 is 870593188.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220348768 + ... + 220348771.

It is an arithmetic number, because the mean of its divisors is an integer number (330523155).

Almost surely, 2^881395078 is an apocalyptic number.

881395078 is a deficient number, since it is larger than the sum of its proper divisors (440697542).

881395078 is a wasteful number, since it uses less digits than its factorization.

881395078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440697541.

The product of its (nonzero) digits is 483840, while the sum is 49.

The square root of 881395078 is about 29688.2986713621. The cubic root of 881395078 is about 958.7900983248.

The spelling of 881395078 in words is "eight hundred eighty-one million, three hundred ninety-five thousand, seventy-eight".