871099963 has 2 divisors, whose sum is σ = 871099964. Its totient is φ = 871099962.

The previous prime is 871099951. The next prime is 871099979. The reversal of 871099963 is 369990178.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-871099963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 871099963.

It is not a weakly prime, because it can be changed into another prime (871099993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435549981 + 435549982.

It is an arithmetic number, because the mean of its divisors is an integer number (435549982).

Almost surely, 2^871099963 is an apocalyptic number.

871099963 is a deficient number, since it is larger than the sum of its proper divisors (1).

871099963 is an equidigital number, since it uses as much as digits as its factorization.

871099963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 871099963 is about 29514.4026366789. The cubic root of 871099963 is about 955.0424267766.

The spelling of 871099963 in words is "eight hundred seventy-one million, ninety-nine thousand, nine hundred sixty-three".