99862013 has 2 divisors, whose sum is σ = 99862014. Its totient is φ = 99862012.

The previous prime is 99861973. The next prime is 99862027. The reversal of 99862013 is 31026899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88322404 + 11539609 = 9398^2 + 3397^2 .

It is a cyclic number.

It is not a de Polignac number, because 99862013 - 2¹² = 99857917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99862073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49931006 + 49931007.

It is an arithmetic number, because the mean of its divisors is an integer number (49931007).

Almost surely, 2^99862013 is an apocalyptic number.

It is an amenable number.

99862013 is a deficient number, since it is larger than the sum of its proper divisors (1).

99862013 is an equidigital number, since it uses as much as digits as its factorization.

99862013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 99862013 is about 9993.0982683050. The cubic root of 99862013 is about 463.9452921156.

It can be divided in two parts, 998620 and 13, that multiplied together give a triangular number (12982060 = T₅₀₉₅).

The spelling of 99862013 in words is "ninety-nine million, eight hundred sixty-two thousand, thirteen".