47916663 has 8 divisors (see below), whose sum is σ = 65374848. Its totient is φ = 31201464.

The previous prime is 47916637. The next prime is 47916667. The reversal of 47916663 is 36661974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47916663 - 2⁶ = 47916599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47916667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185595 + ... + 185852.

It is an arithmetic number, because the mean of its divisors is an integer number (8171856).

Almost surely, 2^47916663 is an apocalyptic number.

47916663 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

47916663 is a deficient number, since it is larger than the sum of its proper divisors (17458185).

47916663 is a wasteful number, since it uses less digits than its factorization.

47916663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371493.

The product of its digits is 163296, while the sum is 42.

The square root of 47916663 is about 6922.1862875828. The cubic root of 47916663 is about 363.2136725909.

The spelling of 47916663 in words is "forty-seven million, nine hundred sixteen thousand, six hundred sixty-three".