48639279 has 16 divisors (see below), whose sum is σ = 72095744. Its totient is φ = 28965600.

The previous prime is 48639263. The next prime is 48639287. The reversal of 48639279 is 97293684.

It is not a de Polignac number, because 48639279 - 2⁴ = 48639263 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 (48639209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18907 + ... + 21324.

It is an arithmetic number, because the mean of its divisors is an integer number (4505984).

Almost surely, 2^48639279 is an apocalyptic number.

48639279 is a deficient number, since it is larger than the sum of its proper divisors (23456465).

48639279 is a wasteful number, since it uses less digits than its factorization.

48639279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40278.

The product of its digits is 653184, while the sum is 48.

The square root of 48639279 is about 6974.1866192410. The cubic root of 48639279 is about 365.0304071747.

The spelling of 48639279 in words is "forty-eight million, six hundred thirty-nine thousand, two hundred seventy-nine".