49479879 has 16 divisors (see below), whose sum is σ = 67034880. Its totient is φ = 32460480.

The previous prime is 49479863. The next prime is 49479883. The reversal of 49479879 is 97897494.

It is not a de Polignac number, because 49479879 - 2⁴ = 49479863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49479839) 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, 53382 + ... + 54300.

It is an arithmetic number, because the mean of its divisors is an integer number (4189680).

Almost surely, 2^49479879 is an apocalyptic number.

49479879 is a deficient number, since it is larger than the sum of its proper divisors (17555001).

49479879 is a wasteful number, since it uses less digits than its factorization.

49479879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190.

The product of its digits is 4572288, while the sum is 57.

The square root of 49479879 is about 7034.1935571891. The cubic root of 49479879 is about 367.1212665409.

The spelling of 49479879 in words is "forty-nine million, four hundred seventy-nine thousand, eight hundred seventy-nine".