47909377915 has 8 divisors (see below), whose sum is σ = 65704289760. Its totient is φ = 32852144832.

The previous prime is 47909377909. The next prime is 47909377927. The reversal of 47909377915 is 51977390974.

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 47909377915 - 2⁹ = 47909377403 is a prime.

It is an unprimeable number.

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, 684419650 + ... + 684419719.

It is an arithmetic number, because the mean of its divisors is an integer number (8213036220).

Almost surely, 2^47909377915 is an apocalyptic number.

47909377915 is a deficient number, since it is larger than the sum of its proper divisors (17794911845).

47909377915 is a wasteful number, since it uses less digits than its factorization.

47909377915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368839381.

The product of its (nonzero) digits is 15002820, while the sum is 61.

The spelling of 47909377915 in words is "forty-seven billion, nine hundred nine million, three hundred seventy-seven thousand, nine hundred fifteen".