749879866847 has 8 divisors (see below), whose sum is σ = 816566098800. Its totient is φ = 685915521984.

The previous prime is 749879866819. The next prime is 749879866867. The reversal of 749879866847 is 748668978947.

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 749879866847 - 2⁸ = 749879866591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749879866807) 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, 680471198 + ... + 680472299.

It is an arithmetic number, because the mean of its divisors is an integer number (102070762350).

Almost surely, 2^749879866847 is an apocalyptic number.

749879866847 is a deficient number, since it is larger than the sum of its proper divisors (66686231953).

749879866847 is a wasteful number, since it uses less digits than its factorization.

749879866847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360943545.

The product of its digits is 8193540096, while the sum is 83.

The spelling of 749879866847 in words is "seven hundred forty-nine billion, eight hundred seventy-nine million, eight hundred sixty-six thousand, eight hundred forty-seven".