47802639 has 8 divisors (see below), whose sum is σ = 63813040. Its totient is φ = 31830336.

The previous prime is 47802607. The next prime is 47802653. The reversal of 47802639 is 93620874.

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

It is not a de Polignac number, because 47802639 - 2⁵ = 47802607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47802597 and 47802606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47802659) 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, 6454 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (7976630).

Almost surely, 2^47802639 is an apocalyptic number.

47802639 is a deficient number, since it is larger than the sum of its proper divisors (16010401).

47802639 is a wasteful number, since it uses less digits than its factorization.

47802639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19049.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 47802639 is about 6913.9452557856. The cubic root of 47802639 is about 362.9253388633.

The spelling of 47802639 in words is "forty-seven million, eight hundred two thousand, six hundred thirty-nine".