881988397055 has 8 divisors (see below), whose sum is σ = 1120644081072. Its totient is φ = 664085381248.

The previous prime is 881988396907. The next prime is 881988397057. The reversal of 881988397055 is 550793889188.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 881988397055 - 2²² = 881984202751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 881988397055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881988397057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5188166957 + ... + 5188167126.

It is an arithmetic number, because the mean of its divisors is an integer number (140080510134).

Almost surely, 2^881988397055 is an apocalyptic number.

881988397055 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

881988397055 is a deficient number, since it is larger than the sum of its proper divisors (238655684017).

881988397055 is a wasteful number, since it uses less digits than its factorization.

881988397055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10376334105.

The product of its (nonzero) digits is 174182400, while the sum is 71.

The spelling of 881988397055 in words is "eight hundred eighty-one billion, nine hundred eighty-eight million, three hundred ninety-seven thousand, fifty-five".