47687039 has 2 divisors, whose sum is σ = 47687040. Its totient is φ = 47687038.

The previous prime is 47687009. The next prime is 47687051. The reversal of 47687039 is 93078674.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47687039 - 2⁸ = 47686783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47687009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23843519 + 23843520.

It is an arithmetic number, because the mean of its divisors is an integer number (23843520).

Almost surely, 2^47687039 is an apocalyptic number.

47687039 is a deficient number, since it is larger than the sum of its proper divisors (1).

47687039 is an equidigital number, since it uses as much as digits as its factorization.

47687039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 47687039 is about 6905.5802797448. The cubic root of 47687039 is about 362.6325514462.

The spelling of 47687039 in words is "forty-seven million, six hundred eighty-seven thousand, thirty-nine".