47876887 has 4 divisors (see below), whose sum is σ = 48661816. Its totient is φ = 47091960.

The previous prime is 47876863. The next prime is 47876893. The reversal of 47876887 is 78867874.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47876887 - 2¹⁵ = 47844119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47876837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392373 + ... + 392494.

It is an arithmetic number, because the mean of its divisors is an integer number (12165454).

Almost surely, 2^47876887 is an apocalyptic number.

47876887 is a deficient number, since it is larger than the sum of its proper divisors (784929).

47876887 is an equidigital number, since it uses as much as digits as its factorization.

47876887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784928.

The product of its digits is 4214784, while the sum is 55.

The square root of 47876887 is about 6919.3126103682. The cubic root of 47876887 is about 363.1131425904.

The spelling of 47876887 in words is "forty-seven million, eight hundred seventy-six thousand, eight hundred eighty-seven".