47963487 has 32 divisors (see below), whose sum is σ = 78414336. Its totient is φ = 25660800.

The previous prime is 47963483. The next prime is 47963497. The reversal of 47963487 is 78436974.

It is a happy number.

It is not a de Polignac number, because 47963487 - 2² = 47963483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47963483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7437 + ... + 12297.

It is an arithmetic number, because the mean of its divisors is an integer number (2450448).

Almost surely, 2^47963487 is an apocalyptic number.

47963487 is a deficient number, since it is larger than the sum of its proper divisors (30450849).

47963487 is a wasteful number, since it uses less digits than its factorization.

47963487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911.

The product of its digits is 1016064, while the sum is 48.

The square root of 47963487 is about 6925.5676301658. The cubic root of 47963487 is about 363.3319444625.

The spelling of 47963487 in words is "forty-seven million, nine hundred sixty-three thousand, four hundred eighty-seven".