99853951 has 2 divisors, whose sum is σ = 99853952. Its totient is φ = 99853950.

The previous prime is 99853933. The next prime is 99853979. The reversal of 99853951 is 15935899.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99853951 - 2⁷ = 99853823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99853895 and 99853904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99853921) 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, 49926975 + 49926976.

It is an arithmetic number, because the mean of its divisors is an integer number (49926976).

Almost surely, 2^99853951 is an apocalyptic number.

99853951 is a deficient number, since it is larger than the sum of its proper divisors (1).

99853951 is an equidigital number, since it uses as much as digits as its factorization.

99853951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 437400, while the sum is 49.

The square root of 99853951 is about 9992.6948817624. The cubic root of 99853951 is about 463.9328067955.

The spelling of 99853951 in words is "ninety-nine million, eight hundred fifty-three thousand, nine hundred fifty-one".