47793151 has 12 divisors (see below), whose sum is σ = 57649872. Its totient is φ = 38807424.

The previous prime is 47793101. The next prime is 47793181. The reversal of 47793151 is 15139774.

It is not a de Polignac number, because 47793151 - 2⁹ = 47792639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47793151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47793101) 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 11 ways as a sum of consecutive naturals, for example, 6930 + ... + 11983.

It is an arithmetic number, because the mean of its divisors is an integer number (4804156).

Almost surely, 2^47793151 is an apocalyptic number.

47793151 is a deficient number, since it is larger than the sum of its proper divisors (9856721).

47793151 is a wasteful number, since it uses less digits than its factorization.

47793151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18958 (or 18939 counting only the distinct ones).

The product of its digits is 26460, while the sum is 37.

The square root of 47793151 is about 6913.2590722466. The cubic root of 47793151 is about 362.9013257995.

The spelling of 47793151 in words is "forty-seven million, seven hundred ninety-three thousand, one hundred fifty-one".