47667880 has 96 divisors (see below), whose sum is σ = 120720600. Its totient is φ = 16837632.

The previous prime is 47667857. The next prime is 47667911. The reversal of 47667880 is 8876674.

It can be written as a sum of positive squares in 12 ways, for example, as 2965284 + 44702596 = 1722^2 + 6686^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47667880.

It is a congruent number.

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, 437266 + ... + 437374.

Almost surely, 2^47667880 is an apocalyptic number.

47667880 is a gapful number since it is divisible by the number (40) 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 47667880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60360300).

47667880 is an abundant number, since it is smaller than the sum of its proper divisors (73052720).

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

47667880 is a wasteful number, since it uses less digits than its factorization.

47667880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 47667880 is about 6904.1929289382. The cubic root of 47667880 is about 362.5839805427.

The spelling of 47667880 in words is "forty-seven million, six hundred sixty-seven thousand, eight hundred eighty".