47152815 has 16 divisors (see below), whose sum is σ = 79882848. Its totient is φ = 23668736.

The previous prime is 47152793. The next prime is 47152841. The reversal of 47152815 is 51825174.

It is a cyclic number.

It is not a de Polignac number, because 47152815 - 2⁶ = 47152751 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92202 + ... + 92711.

It is an arithmetic number, because the mean of its divisors is an integer number (4992678).

Almost surely, 2^47152815 is an apocalyptic number.

47152815 is a deficient number, since it is larger than the sum of its proper divisors (32730033).

47152815 is a wasteful number, since it uses less digits than its factorization.

47152815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184938.

The product of its digits is 11200, while the sum is 33.

The square root of 47152815 is about 6866.7907351251. The cubic root of 47152815 is about 361.2733074045.

Adding to 47152815 its reverse (51825174), we get a palindrome (98977989).

The spelling of 47152815 in words is "forty-seven million, one hundred fifty-two thousand, eight hundred fifteen".