247794995 has 32 divisors (see below), whose sum is σ = 353358720. Its totient is φ = 163215360.

The previous prime is 247794991. The next prime is 247795001. The reversal of 247794995 is 599497742.

247794995 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 247794995 - 2² = 247794991 is a prime.

It is a super-2 number, since 2×247794995² = 122804719094100050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247794995.

It is not an unprimeable number, because it can be changed into a prime (247794991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244109 + ... + 245121.

It is an arithmetic number, because the mean of its divisors is an integer number (11042460).

Almost surely, 2^247794995 is an apocalyptic number.

247794995 is a deficient number, since it is larger than the sum of its proper divisors (105563725).

247794995 is a wasteful number, since it uses less digits than its factorization.

247794995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295.

The product of its digits is 5715360, while the sum is 56.

The square root of 247794995 is about 15741.5054870873. The cubic root of 247794995 is about 628.1029648137.

The spelling of 247794995 in words is "two hundred forty-seven million, seven hundred ninety-four thousand, nine hundred ninety-five".