881988396907 has 2 divisors, whose sum is σ = 881988396908. Its totient is φ = 881988396906.

The previous prime is 881988396901. The next prime is 881988397057. The reversal of 881988396907 is 709693889188.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881988396907 is a prime.

It is a super-3 number, since 3×881988396907³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (881988396901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440994198453 + 440994198454.

It is an arithmetic number, because the mean of its divisors is an integer number (440994198454).

Almost surely, 2^881988396907 is an apocalyptic number.

881988396907 is a deficient number, since it is larger than the sum of its proper divisors (1).

881988396907 is an equidigital number, since it uses as much as digits as its factorization.

881988396907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376233984, while the sum is 76.

The spelling of 881988396907 in words is "eight hundred eighty-one billion, nine hundred eighty-eight million, three hundred ninety-six thousand, nine hundred seven".