881018787401 has 32 divisors (see below), whose sum is σ = 977364444672. Its totient is φ = 790782658560.

The previous prime is 881018787379. The next prime is 881018787437. The reversal of 881018787401 is 104787810188.

881018787401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 881018787401 - 2²² = 881014593097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881018787461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5130605 + ... + 5299541.

It is an arithmetic number, because the mean of its divisors is an integer number (30542638896).

Almost surely, 2^881018787401 is an apocalyptic number.

It is an amenable number.

881018787401 is a deficient number, since it is larger than the sum of its proper divisors (96345657271).

881018787401 is a wasteful number, since it uses less digits than its factorization.

881018787401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169169.

The product of its (nonzero) digits is 802816, while the sum is 53.

The spelling of 881018787401 in words is "eight hundred eighty-one billion, eighteen million, seven hundred eighty-seven thousand, four hundred one".