247241304632387 has 8 divisors (see below), whose sum is σ = 275441241235440. Its totient is φ = 220352992987680.

The previous prime is 247241304632383. The next prime is 247241304632473. The reversal of 247241304632387 is 783236403142742.

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

It is a cyclic number.

It is not a de Polignac number, because 247241304632387 - 2² = 247241304632383 is a prime.

It is a super-2 number, since 2×247241304632387² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247241304632383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327906239189 + ... + 327906239942.

It is an arithmetic number, because the mean of its divisors is an integer number (34430155154430).

Almost surely, 2^{247241304632387} is an apocalyptic number.

247241304632387 is a deficient number, since it is larger than the sum of its proper divisors (28199936603053).

247241304632387 is a wasteful number, since it uses less digits than its factorization.

247241304632387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655812479173.

The product of its (nonzero) digits is 32514048, while the sum is 56.

The spelling of 247241304632387 in words is "two hundred forty-seven trillion, two hundred forty-one billion, three hundred four million, six hundred thirty-two thousand, three hundred eighty-seven".