47725787 has 2 divisors, whose sum is σ = 47725788. Its totient is φ = 47725786.

The previous prime is 47725751. The next prime is 47725807. The reversal of 47725787 is 78752774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47725787 - 2¹² = 47721691 is a prime.

It is not a weakly prime, because it can be changed into another prime (47725187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23862893 + 23862894.

It is an arithmetic number, because the mean of its divisors is an integer number (23862894).

Almost surely, 2^47725787 is an apocalyptic number.

47725787 is a deficient number, since it is larger than the sum of its proper divisors (1).

47725787 is an equidigital number, since it uses as much as digits as its factorization.

47725787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768320, while the sum is 47.

The square root of 47725787 is about 6908.3852671952. The cubic root of 47725787 is about 362.7307436198.

The spelling of 47725787 in words is "forty-seven million, seven hundred twenty-five thousand, seven hundred eighty-seven".