247935117 has 12 divisors (see below), whose sum is σ = 341592000. Its totient is φ = 159956280.

The previous prime is 247935091. The next prime is 247935131. The reversal of 247935117 is 711539742.

247935117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 247935117 - 2¹⁴ = 247918733 is a prime.

It is a super-2 number, since 2×247935117² = 122943644483607378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247935137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40117 + ... + 45882.

It is an arithmetic number, because the mean of its divisors is an integer number (28466000).

Almost surely, 2^247935117 is an apocalyptic number.

It is an amenable number.

247935117 is a deficient number, since it is larger than the sum of its proper divisors (93656883).

247935117 is an equidigital number, since it uses as much as digits as its factorization.

247935117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86064 (or 86033 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 247935117 is about 15745.9555759566. The cubic root of 247935117 is about 628.2213347851.

The spelling of 247935117 in words is "two hundred forty-seven million, nine hundred thirty-five thousand, one hundred seventeen".