247738083 has 8 divisors (see below), whose sum is σ = 344679168. Its totient is φ = 157977864.

The previous prime is 247738033. The next prime is 247738103. The reversal of 247738083 is 380837742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 247738083 - 2¹⁸ = 247475939 is a prime.

It is a super-2 number, since 2×247738083² = 122748315537029778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247738003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795135 + ... + 1795272.

It is an arithmetic number, because the mean of its divisors is an integer number (43084896).

Almost surely, 2^247738083 is an apocalyptic number.

247738083 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

247738083 is a deficient number, since it is larger than the sum of its proper divisors (96941085).

247738083 is a wasteful number, since it uses less digits than its factorization.

247738083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590433.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 247738083 is about 15739.6976781640. The cubic root of 247738083 is about 628.0548748822.

The spelling of 247738083 in words is "two hundred forty-seven million, seven hundred thirty-eight thousand, eighty-three".