98772859 has 2 divisors, whose sum is σ = 98772860. Its totient is φ = 98772858.

The previous prime is 98772809. The next prime is 98772871. The reversal of 98772859 is 95827789.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98772859 is a prime.

It is not a weakly prime, because it can be changed into another prime (98772809) 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, 49386429 + 49386430.

It is an arithmetic number, because the mean of its divisors is an integer number (49386430).

Almost surely, 2^98772859 is an apocalyptic number.

98772859 is a deficient number, since it is larger than the sum of its proper divisors (1).

98772859 is an equidigital number, since it uses as much as digits as its factorization.

98772859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 55.

The square root of 98772859 is about 9938.4535517353. The cubic root of 98772859 is about 462.2524357095.

The spelling of 98772859 in words is "ninety-eight million, seven hundred seventy-two thousand, eight hundred fifty-nine".