87989098963 has 2 divisors, whose sum is σ = 87989098964. Its totient is φ = 87989098962.

The previous prime is 87989098957. The next prime is 87989099071. The reversal of 87989098963 is 36989098978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87989098963 - 2⁹ = 87989098451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87989098963.

It is not a weakly prime, because it can be changed into another prime (87989098943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43994549481 + 43994549482.

It is an arithmetic number, because the mean of its divisors is an integer number (43994549482).

Almost surely, 2^87989098963 is an apocalyptic number.

87989098963 is a deficient number, since it is larger than the sum of its proper divisors (1).

87989098963 is an equidigital number, since it uses as much as digits as its factorization.

87989098963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423263232, while the sum is 76.

The spelling of 87989098963 in words is "eighty-seven billion, nine hundred eighty-nine million, ninety-eight thousand, nine hundred sixty-three".