47787160 has 16 divisors (see below), whose sum is σ = 107521200. Its totient is φ = 19114848.

The previous prime is 47787149. The next prime is 47787161. The reversal of 47787160 is 6178774.

It is a super-2 number, since 2×47787160² = 4567225321731200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1194679 = 47787160 / (4 + 7 + 7 + 8 + 7 + 1 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47787161) 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, 597300 + ... + 597379.

It is an arithmetic number, because the mean of its divisors is an integer number (6720075).

Almost surely, 2^47787160 is an apocalyptic number.

47787160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47787160 is an abundant number, since it is smaller than the sum of its proper divisors (59734040).

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

47787160 is a wasteful number, since it uses less digits than its factorization.

47787160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194690 (or 1194686 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 47787160 is about 6912.8257608593. The cubic root of 47787160 is about 362.8861616135.

The spelling of 47787160 in words is "forty-seven million, seven hundred eighty-seven thousand, one hundred sixty".