647850506379 has 8 divisors (see below), whose sum is σ = 863862861312. Its totient is φ = 431869244520.

The previous prime is 647850506339. The next prime is 647850506411. The reversal of 647850506379 is 973605058746.

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

It is not a de Polignac number, because 647850506379 - 2⁸ = 647850506123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (647850506309) 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, 7724607 + ... + 7808024.

It is an arithmetic number, because the mean of its divisors is an integer number (107982857664).

Almost surely, 2^647850506379 is an apocalyptic number.

647850506379 is a deficient number, since it is larger than the sum of its proper divisors (216012354933).

647850506379 is a wasteful number, since it uses less digits than its factorization.

647850506379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15546537.

The product of its (nonzero) digits is 38102400, while the sum is 60.

The spelling of 647850506379 in words is "six hundred forty-seven billion, eight hundred fifty million, five hundred six thousand, three hundred seventy-nine".