47298887 has 2 divisors, whose sum is σ = 47298888. Its totient is φ = 47298886.

The previous prime is 47298863. The next prime is 47298931. The reversal of 47298887 is 78889274.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47298887 - 2¹⁰ = 47297863 is a prime.

It is a super-2 number, since 2×47298887² = 4474369422877538, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47298827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23649443 + 23649444.

It is an arithmetic number, because the mean of its divisors is an integer number (23649444).

Almost surely, 2^47298887 is an apocalyptic number.

47298887 is a deficient number, since it is larger than the sum of its proper divisors (1).

47298887 is an equidigital number, since it uses as much as digits as its factorization.

47298887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1806336, while the sum is 53.

The square root of 47298887 is about 6877.4186291079. The cubic root of 47298887 is about 361.6459787931.

The spelling of 47298887 in words is "forty-seven million, two hundred ninety-eight thousand, eight hundred eighty-seven".