47278763 has 8 divisors (see below), whose sum is σ = 54104832. Its totient is φ = 40470696.

The previous prime is 47278747. The next prime is 47278771. The reversal of 47278763 is 36787274.

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

It is not a de Polignac number, because 47278763 - 2⁴ = 47278747 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47278723) 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, 1706 + ... + 9872.

It is an arithmetic number, because the mean of its divisors is an integer number (6763104).

Almost surely, 2^47278763 is an apocalyptic number.

47278763 is a deficient number, since it is larger than the sum of its proper divisors (6826069).

47278763 is an equidigital number, since it uses as much as digits as its factorization.

47278763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9001.

The product of its digits is 395136, while the sum is 44.

The square root of 47278763 is about 6875.9554245210. The cubic root of 47278763 is about 361.5946823354.

The spelling of 47278763 in words is "forty-seven million, two hundred seventy-eight thousand, seven hundred sixty-three".