47798784 has 240 divisors, whose sum is σ = 160864704. Its totient is φ = 13516800.

The previous prime is 47798771. The next prime is 47798797. The reversal of 47798784 is 48789774.

47798784 is a `hidden beast` number, since 477 + 98 + 7 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (47798771) and next prime (47798797).

It is a self number, because there is not a number n which added to its sum of digits gives 47798784.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1165804 + ... + 1165844.

Almost surely, 2^47798784 is an apocalyptic number.

47798784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47798784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80432352).

47798784 is an abundant number, since it is smaller than the sum of its proper divisors (113065920).

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

47798784 is a wasteful number, since it uses less digits than its factorization.

47798784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 80 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 47798784 is about 6913.6664657763. Note that the first 3 decimals coincide. The cubic root of 47798784 is about 362.9155826739.

The spelling of 47798784 in words is "forty-seven million, seven hundred ninety-eight thousand, seven hundred eighty-four".