47434887 has 24 divisors (see below), whose sum is σ = 73157760. Its totient is φ = 29529360.

The previous prime is 47434853. The next prime is 47434897. The reversal of 47434887 is 78843474.

It is not a de Polignac number, because 47434887 - 2⁸ = 47434631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47434897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10188 + ... + 14094.

It is an arithmetic number, because the mean of its divisors is an integer number (3048240).

Almost surely, 2^47434887 is an apocalyptic number.

47434887 is a deficient number, since it is larger than the sum of its proper divisors (25722873).

47434887 is a wasteful number, since it uses less digits than its factorization.

47434887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003 (or 4000 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 47434887 is about 6887.2989625832. The cubic root of 47434887 is about 361.9922645193.

The spelling of 47434887 in words is "forty-seven million, four hundred thirty-four thousand, eight hundred eighty-seven".