99685967 has 2 divisors, whose sum is σ = 99685968. Its totient is φ = 99685966.

The previous prime is 99685961. The next prime is 99685973. The reversal of 99685967 is 76958699.

It is a balanced prime because it is at equal distance from previous prime (99685961) and next prime (99685973).

It is an emirp because it is prime and its reverse (76958699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99685967 - 2⁶ = 99685903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99685961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49842983 + 49842984.

It is an arithmetic number, because the mean of its divisors is an integer number (49842984).

Almost surely, 2^99685967 is an apocalyptic number.

99685967 is a deficient number, since it is larger than the sum of its proper divisors (1).

99685967 is an equidigital number, since it uses as much as digits as its factorization.

99685967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 59.

The square root of 99685967 is about 9984.2860035157. The cubic root of 99685967 is about 463.6725031853.

The spelling of 99685967 in words is "ninety-nine million, six hundred eighty-five thousand, nine hundred sixty-seven".