47481087 has 4 divisors (see below), whose sum is σ = 63308120. Its totient is φ = 31654056.

The previous prime is 47481079. The next prime is 47481103. The reversal of 47481087 is 78018474.

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

It is not a de Polignac number, because 47481087 - 2³ = 47481079 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 (47481887) 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, 7913512 + ... + 7913517.

It is an arithmetic number, because the mean of its divisors is an integer number (15827030).

Almost surely, 2^47481087 is an apocalyptic number.

47481087 is a deficient number, since it is larger than the sum of its proper divisors (15827033).

47481087 is a wasteful number, since it uses less digits than its factorization.

47481087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15827032.

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 47481087 is about 6890.6521462050. The cubic root of 47481087 is about 362.1097491884.

The spelling of 47481087 in words is "forty-seven million, four hundred eighty-one thousand, eighty-seven".