47858820 has 24 divisors (see below), whose sum is σ = 134004864. Its totient is φ = 12762336.

The previous prime is 47858813. The next prime is 47858821. The reversal of 47858820 is 2885874.

It is not an unprimeable number, because it can be changed into a prime (47858821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398764 + ... + 398883.

It is an arithmetic number, because the mean of its divisors is an integer number (5583536).

Almost surely, 2^47858820 is an apocalyptic number.

It is an amenable number.

47858820 is an abundant number, since it is smaller than the sum of its proper divisors (86146044).

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

47858820 is a wasteful number, since it uses less digits than its factorization.

47858820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797659 (or 797657 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 47858820 is about 6918.0069384180. The cubic root of 47858820 is about 363.0674616022.

The spelling of 47858820 in words is "forty-seven million, eight hundred fifty-eight thousand, eight hundred twenty".