47379787 has 32 divisors (see below), whose sum is σ = 62451200. Its totient is φ = 34898688.

The previous prime is 47379769. The next prime is 47379809. The reversal of 47379787 is 78797374.

It is a cyclic number.

It is not a de Polignac number, because 47379787 - 2¹⁵ = 47347019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47379487) 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, 115639 + ... + 116047.

It is an arithmetic number, because the mean of its divisors is an integer number (1951600).

Almost surely, 2^47379787 is an apocalyptic number.

47379787 is a deficient number, since it is larger than the sum of its proper divisors (15071413).

47379787 is a wasteful number, since it uses less digits than its factorization.

47379787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515.

The product of its digits is 2074464, while the sum is 52.

The square root of 47379787 is about 6883.2976835235. The cubic root of 47379787 is about 361.8520477367.

The spelling of 47379787 in words is "forty-seven million, three hundred seventy-nine thousand, seven hundred eighty-seven".