47897865770 has 32 divisors (see below), whose sum is σ = 86421867840. Its totient is φ = 19113494400.

The previous prime is 47897865703. The next prime is 47897865787. The reversal of 47897865770 is 7756879874.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47897865770.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8183345 + ... + 8189195.

It is an arithmetic number, because the mean of its divisors is an integer number (2700683370).

Almost surely, 2^47897865770 is an apocalyptic number.

47897865770 is a deficient number, since it is larger than the sum of its proper divisors (38524002070).

47897865770 is a wasteful number, since it uses less digits than its factorization.

47897865770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670.

The product of its (nonzero) digits is 165957120, while the sum is 68.

The spelling of 47897865770 in words is "forty-seven billion, eight hundred ninety-seven million, eight hundred sixty-five thousand, seven hundred seventy".