247873467 has 4 divisors (see below), whose sum is σ = 330497960. Its totient is φ = 165248976.

The previous prime is 247873463. The next prime is 247873499. The reversal of 247873467 is 764378742.

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

It is not a de Polignac number, because 247873467 - 2² = 247873463 is a prime.

It is a super-2 number, since 2×247873467² = 122882511285200178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247873463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41312242 + ... + 41312247.

It is an arithmetic number, because the mean of its divisors is an integer number (82624490).

Almost surely, 2^247873467 is an apocalyptic number.

247873467 is a deficient number, since it is larger than the sum of its proper divisors (82624493).

247873467 is an equidigital number, since it uses as much as digits as its factorization.

247873467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82624492.

The product of its digits is 1580544, while the sum is 48.

The square root of 247873467 is about 15743.9978086889. The cubic root of 247873467 is about 628.1692606023.

The spelling of 247873467 in words is "two hundred forty-seven million, eight hundred seventy-three thousand, four hundred sixty-seven".