47878100665 has 8 divisors (see below), whose sum is σ = 60477600960. Its totient is φ = 36286560432.

The previous prime is 47878100609. The next prime is 47878100707. The reversal of 47878100665 is 56600187874.

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 47878100665 - 2³¹ = 45730617017 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 251989909 + ... + 251990098.

It is an arithmetic number, because the mean of its divisors is an integer number (7559700120).

Almost surely, 2^47878100665 is an apocalyptic number.

It is an amenable number.

47878100665 is a deficient number, since it is larger than the sum of its proper divisors (12599500295).

47878100665 is a wasteful number, since it uses less digits than its factorization.

47878100665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503980031.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 47878100665 in words is "forty-seven billion, eight hundred seventy-eight million, one hundred thousand, six hundred sixty-five".