99948187 has 2 divisors, whose sum is σ = 99948188. Its totient is φ = 99948186.

The previous prime is 99948131. The next prime is 99948197. The reversal of 99948187 is 78184999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99948187 - 2⁷ = 99948059 is a prime.

It is not a weakly prime, because it can be changed into another prime (99948197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49974093 + 49974094.

It is an arithmetic number, because the mean of its divisors is an integer number (49974094).

Almost surely, 2^99948187 is an apocalyptic number.

99948187 is a deficient number, since it is larger than the sum of its proper divisors (1).

99948187 is an equidigital number, since it uses as much as digits as its factorization.

99948187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 55.

The square root of 99948187 is about 9997.4090143397. The cubic root of 99948187 is about 464.0787046313.

It can be divided in two parts, 9994 and 8187, that added together give a palindrome (18181).

The spelling of 99948187 in words is "ninety-nine million, nine hundred forty-eight thousand, one hundred eighty-seven".