47785836 has 96 divisors (see below), whose sum is σ = 136192000. Its totient is φ = 12737088.

The previous prime is 47785799. The next prime is 47785841. The reversal of 47785836 is 63858774.

It is a super-2 number, since 2×47785836² = 4566972244437792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125895 + ... + 126273.

Almost surely, 2^47785836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47785836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68096000).

47785836 is an abundant number, since it is smaller than the sum of its proper divisors (88406164).

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

47785836 is a wasteful number, since it uses less digits than its factorization.

47785836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 489 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 47785836 is about 6912.7299961737. The cubic root of 47785836 is about 362.8828101852.

The spelling of 47785836 in words is "forty-seven million, seven hundred eighty-five thousand, eight hundred thirty-six".