49728044879 has 4 divisors (see below), whose sum is σ = 49947111384. Its totient is φ = 49508978376.

The previous prime is 49728044867. The next prime is 49728044897. The reversal of 49728044879 is 97844082794.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49728044879 - 2⁸ = 49728044623 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 (49728049879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109532912 + ... + 109533365.

It is an arithmetic number, because the mean of its divisors is an integer number (12486777846).

Almost surely, 2^49728044879 is an apocalyptic number.

49728044879 is a deficient number, since it is larger than the sum of its proper divisors (219066505).

49728044879 is a wasteful number, since it uses less digits than its factorization.

49728044879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219066504.

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 49728044879 in words is "forty-nine billion, seven hundred twenty-eight million, forty-four thousand, eight hundred seventy-nine".