47923087 has 2 divisors, whose sum is σ = 47923088. Its totient is φ = 47923086.

The previous prime is 47923081. The next prime is 47923147. The reversal of 47923087 is 78032974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47923087 - 2³ = 47923079 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 (47923081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23961543 + 23961544.

It is an arithmetic number, because the mean of its divisors is an integer number (23961544).

Almost surely, 2^47923087 is an apocalyptic number.

47923087 is a deficient number, since it is larger than the sum of its proper divisors (1).

47923087 is an equidigital number, since it uses as much as digits as its factorization.

47923087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 47923087 is about 6922.6502872816. The cubic root of 47923087 is about 363.2299034121.

The spelling of 47923087 in words is "forty-seven million, nine hundred twenty-three thousand, eighty-seven".