247982099 has 4 divisors (see below), whose sum is σ = 248030160. Its totient is φ = 247934040.

The previous prime is 247982093. The next prime is 247982107. The reversal of 247982099 is 990289742.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247982099 is a prime.

It is a super-2 number, since 2×247982099² = 122990242848891602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247982093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15212 + ... + 26969.

It is an arithmetic number, because the mean of its divisors is an integer number (62007540).

Almost surely, 2^247982099 is an apocalyptic number.

247982099 is a deficient number, since it is larger than the sum of its proper divisors (48061).

247982099 is an equidigital number, since it uses as much as digits as its factorization.

247982099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48060.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 247982099 is about 15747.4473804487. The cubic root of 247982099 is about 628.2610134868.

The spelling of 247982099 in words is "two hundred forty-seven million, nine hundred eighty-two thousand, ninety-nine".