47987235 has 40 divisors (see below), whose sum is σ = 87886656. Its totient is φ = 25038720.

The previous prime is 47987231. The next prime is 47987239. The reversal of 47987235 is 53278974.

47987235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47987231) and next prime (47987239).

It is not a de Polignac number, because 47987235 - 2² = 47987231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (47987231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17775 + ... + 20295.

Almost surely, 2^47987235 is an apocalyptic number.

47987235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47987235 is a deficient number, since it is larger than the sum of its proper divisors (39899421).

47987235 is a wasteful number, since it uses less digits than its factorization.

47987235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585 (or 2576 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 47987235 is about 6927.2819344964. The cubic root of 47987235 is about 363.3918996763.

The spelling of 47987235 in words is "forty-seven million, nine hundred eighty-seven thousand, two hundred thirty-five".