47909377870 has 16 divisors (see below), whose sum is σ = 87451485408. Its totient is φ = 18893838880.

The previous prime is 47909377829. The next prime is 47909377891. The reversal of 47909377870 is 7877390974.

It is a junction number, because it is equal to n+sod(n) for n = 47909377799 and 47909377808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33738289 + ... + 33739708.

It is an arithmetic number, because the mean of its divisors is an integer number (5465717838).

Almost surely, 2^47909377870 is an apocalyptic number.

47909377870 is a deficient number, since it is larger than the sum of its proper divisors (39542107538).

47909377870 is a wasteful number, since it uses less digits than its factorization.

47909377870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67478075.

The product of its (nonzero) digits is 18670176, while the sum is 61.

The spelling of 47909377870 in words is "forty-seven billion, nine hundred nine million, three hundred seventy-seven thousand, eight hundred seventy".