47872587 has 32 divisors (see below), whose sum is σ = 75956224. Its totient is φ = 26244000.

The previous prime is 47872553. The next prime is 47872589. The reversal of 47872587 is 78527874.

It is a happy number.

It is not a de Polignac number, because 47872587 - 2¹⁰ = 47871563 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47872589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98058 + ... + 98544.

It is an arithmetic number, because the mean of its divisors is an integer number (2373632).

Almost surely, 2^47872587 is an apocalyptic number.

47872587 is a deficient number, since it is larger than the sum of its proper divisors (28083637).

47872587 is a wasteful number, since it uses less digits than its factorization.

47872587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its digits is 878080, while the sum is 48.

The square root of 47872587 is about 6919.0018788840. The cubic root of 47872587 is about 363.1022714209.

The spelling of 47872587 in words is "forty-seven million, eight hundred seventy-two thousand, five hundred eighty-seven".