47897886 has 8 divisors (see below), whose sum is σ = 95795784. Its totient is φ = 15965960.

The previous prime is 47897873. The next prime is 47897887. The reversal of 47897886 is 68879874.

It is a sphenic number, since it is the product of 3 distinct primes.

47897886 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47897887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3991485 + ... + 3991496.

It is an arithmetic number, because the mean of its divisors is an integer number (11974473).

Almost surely, 2^47897886 is an apocalyptic number.

47897886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47897886 is a wasteful number, since it uses less digits than its factorization.

47897886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982986.

The product of its digits is 5419008, while the sum is 57.

The square root of 47897886 is about 6920.8298635352. The cubic root of 47897886 is about 363.1662224712.

The spelling of 47897886 in words is "forty-seven million, eight hundred ninety-seven thousand, eight hundred eighty-six".