47987628 has 48 divisors (see below), whose sum is σ = 124486656. Its totient is φ = 14287680.

The previous prime is 47987627. The next prime is 47987629. The reversal of 47987628 is 82678974.

It is an interprime number because it is at equal distance from previous prime (47987627) and next prime (47987629).

It is not an unprimeable number, because it can be changed into a prime (47987623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126 + ... + 9797.

It is an arithmetic number, because the mean of its divisors is an integer number (2593472).

Almost surely, 2^47987628 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 47987628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62243328).

47987628 is an abundant number, since it is smaller than the sum of its proper divisors (76499028).

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

47987628 is a wasteful number, since it uses less digits than its factorization.

47987628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9974 (or 9972 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 47987628 is about 6927.3103005423. The cubic root of 47987628 is about 363.3928916945.

The spelling of 47987628 in words is "forty-seven million, nine hundred eighty-seven thousand, six hundred twenty-eight".