47780888 has 8 divisors (see below), whose sum is σ = 89589180. Its totient is φ = 23890440.

The previous prime is 47780881. The next prime is 47780891. The reversal of 47780888 is 88808774.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47780881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2986298 + ... + 2986313.

Almost surely, 2^47780888 is an apocalyptic number.

It is an amenable number.

47780888 is a deficient number, since it is larger than the sum of its proper divisors (41808292).

47780888 is a wasteful number, since it uses less digits than its factorization.

47780888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5972617 (or 5972613 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 50.

The square root of 47780888 is about 6912.3720964659. The cubic root of 47780888 is about 362.8702848132.

The spelling of 47780888 in words is "forty-seven million, seven hundred eighty thousand, eight hundred eighty-eight".