47519487 has 16 divisors (see below), whose sum is σ = 72828000. Its totient is φ = 30586752.

The previous prime is 47519473. The next prime is 47519501. The reversal of 47519487 is 78491574.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47519473) and next prime (47519501).

It is not a de Polignac number, because 47519487 - 2⁸ = 47519231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47519447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29562 + ... + 31127.

It is an arithmetic number, because the mean of its divisors is an integer number (4551750).

Almost surely, 2^47519487 is an apocalyptic number.

47519487 is a deficient number, since it is larger than the sum of its proper divisors (25308513).

47519487 is a wasteful number, since it uses less digits than its factorization.

47519487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60727 (or 60721 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 47519487 is about 6893.4379666463. The cubic root of 47519487 is about 362.2073408009.

The spelling of 47519487 in words is "forty-seven million, five hundred nineteen thousand, four hundred eighty-seven".