47909377851 has 16 divisors (see below), whose sum is σ = 65449668480. Its totient is φ = 31154633280.

The previous prime is 47909377829. The next prime is 47909377891. The reversal of 47909377851 is 15877390974.

It is not a de Polignac number, because 47909377851 - 2¹⁹ = 47908853563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47909377891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664740 + ... + 733278.

It is an arithmetic number, because the mean of its divisors is an integer number (4090604280).

Almost surely, 2^47909377851 is an apocalyptic number.

47909377851 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

47909377851 is a deficient number, since it is larger than the sum of its proper divisors (17540290629).

47909377851 is a wasteful number, since it uses less digits than its factorization.

47909377851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74266.

The product of its (nonzero) digits is 13335840, while the sum is 60.

The spelling of 47909377851 in words is "forty-seven billion, nine hundred nine million, three hundred seventy-seven thousand, eight hundred fifty-one".