47487599 has 2 divisors, whose sum is σ = 47487600. Its totient is φ = 47487598.

The previous prime is 47487547. The next prime is 47487653. The reversal of 47487599 is 99578474.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47487599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47487599.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47487509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23743799 + 23743800.

It is an arithmetic number, because the mean of its divisors is an integer number (23743800).

Almost surely, 2^47487599 is an apocalyptic number.

47487599 is a deficient number, since it is larger than the sum of its proper divisors (1).

47487599 is an equidigital number, since it uses as much as digits as its factorization.

47487599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 47487599 is about 6891.1246542201. The cubic root of 47487599 is about 362.1263028033.

The spelling of 47487599 in words is "forty-seven million, four hundred eighty-seven thousand, five hundred ninety-nine".