47903689 has 2 divisors, whose sum is σ = 47903690. Its totient is φ = 47903688.

The previous prime is 47903663. The next prime is 47903707. The reversal of 47903689 is 98630974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37112464 + 10791225 = 6092^2 + 3285^2 .

It is a cyclic number.

It is not a de Polignac number, because 47903689 - 2⁵ = 47903657 is a prime.

It is not a weakly prime, because it can be changed into another prime (47903659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23951844 + 23951845.

It is an arithmetic number, because the mean of its divisors is an integer number (23951845).

Almost surely, 2^47903689 is an apocalyptic number.

It is an amenable number.

47903689 is a deficient number, since it is larger than the sum of its proper divisors (1).

47903689 is an equidigital number, since it uses as much as digits as its factorization.

47903689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 47903689 is about 6921.2490924688. The cubic root of 47903689 is about 363.1808881741.

The spelling of 47903689 in words is "forty-seven million, nine hundred three thousand, six hundred eighty-nine".