47787860 has 24 divisors (see below), whose sum is σ = 100867200. Its totient is φ = 19017504.

The previous prime is 47787829. The next prime is 47787877. The reversal of 47787860 is 6878774.

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, 2024 + ... + 9983.

It is an arithmetic number, because the mean of its divisors is an integer number (4202800).

Almost surely, 2^47787860 is an apocalyptic number.

It is an amenable number.

47787860 is an abundant number, since it is smaller than the sum of its proper divisors (53079340).

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

47787860 is a wasteful number, since it uses less digits than its factorization.

47787860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215 (or 12213 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 47787860 is about 6912.8763911993. The cubic root of 47787860 is about 362.8879334916.

The spelling of 47787860 in words is "forty-seven million, seven hundred eighty-seven thousand, eight hundred sixty".