99982859 has 2 divisors, whose sum is σ = 99982860. Its totient is φ = 99982858.

The previous prime is 99982849. The next prime is 99982877. The reversal of 99982859 is 95828999.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99982859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99982798 and 99982807.

It is not a weakly prime, because it can be changed into another prime (99982849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49991429 + 49991430.

It is an arithmetic number, because the mean of its divisors is an integer number (49991430).

Almost surely, 2^99982859 is an apocalyptic number.

99982859 is a deficient number, since it is larger than the sum of its proper divisors (1).

99982859 is an equidigital number, since it uses as much as digits as its factorization.

99982859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 59.

The square root of 99982859 is about 9999.1429132701. The cubic root of 99982859 is about 464.1323613544.

The spelling of 99982859 in words is "ninety-nine million, nine hundred eighty-two thousand, eight hundred fifty-nine".