881399017667 has 12 divisors (see below), whose sum is σ = 1017804969360. Its totient is φ = 747696312576.

The previous prime is 881399017657. The next prime is 881399017703. The reversal of 881399017667 is 766710993188.

It is not a de Polignac number, because 881399017667 - 2¹⁶ = 881398952131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881399017657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6625292 + ... + 6757017.

It is an arithmetic number, because the mean of its divisors is an integer number (84817080780).

Almost surely, 2^881399017667 is an apocalyptic number.

881399017667 is a deficient number, since it is larger than the sum of its proper divisors (136405951693).

881399017667 is an equidigital number, since it uses as much as digits as its factorization.

881399017667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13382510 (or 13382413 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 65.

The spelling of 881399017667 in words is "eight hundred eighty-one billion, three hundred ninety-nine million, seventeen thousand, six hundred sixty-seven".