47087399 has 8 divisors (see below), whose sum is σ = 50602608. Its totient is φ = 43655040.

The previous prime is 47087351. The next prime is 47087423. The reversal of 47087399 is 99378074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47087399 - 2²⁰ = 46038823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47087309) 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 7 ways as a sum of consecutive naturals, for example, 19532 + ... + 21809.

It is an arithmetic number, because the mean of its divisors is an integer number (6325326).

Almost surely, 2^47087399 is an apocalyptic number.

47087399 is a deficient number, since it is larger than the sum of its proper divisors (3515209).

47087399 is a wasteful number, since it uses less digits than its factorization.

47087399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41425.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 47087399 is about 6862.0258670454. The cubic root of 47087399 is about 361.1061629688.

The spelling of 47087399 in words is "forty-seven million, eighty-seven thousand, three hundred ninety-nine".