48749779 has 8 divisors (see below), whose sum is σ = 53780832. Its totient is φ = 43901760.

The previous prime is 48749777. The next prime is 48749819. The reversal of 48749779 is 97794784.

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

It is a cyclic number.

It is not a de Polignac number, because 48749779 - 2¹ = 48749777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48749773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45199 + ... + 46264.

It is an arithmetic number, because the mean of its divisors is an integer number (6722604).

Almost surely, 2^48749779 is an apocalyptic number.

48749779 is a deficient number, since it is larger than the sum of its proper divisors (5031053).

48749779 is a wasteful number, since it uses less digits than its factorization.

48749779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91517.

The product of its digits is 3556224, while the sum is 55.

The square root of 48749779 is about 6982.1041957278. The cubic root of 48749779 is about 365.3066266826.

The spelling of 48749779 in words is "forty-eight million, seven hundred forty-nine thousand, seven hundred seventy-nine".