98876530391 has 2 divisors, whose sum is σ = 98876530392. Its totient is φ = 98876530390.

The previous prime is 98876530367. The next prime is 98876530421. The reversal of 98876530391 is 19303567889.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98876530391 is a prime.

It is a super-2 number, since 2×98876530391² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 98876530391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98876530321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49438265195 + 49438265196.

It is an arithmetic number, because the mean of its divisors is an integer number (49438265196).

Almost surely, 2^98876530391 is an apocalyptic number.

98876530391 is a deficient number, since it is larger than the sum of its proper divisors (1).

98876530391 is an equidigital number, since it uses as much as digits as its factorization.

98876530391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 98876530391 in words is "ninety-eight billion, eight hundred seventy-six million, five hundred thirty thousand, three hundred ninety-one".