48485772478 has 48 divisors (see below), whose sum is σ = 90434793600. Its totient is φ = 19272932640.

The previous prime is 48485772457. The next prime is 48485772493. The reversal of 48485772478 is 87427758484.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272538 + ... + 413821.

It is an arithmetic number, because the mean of its divisors is an integer number (1884058200).

Almost surely, 2^48485772478 is an apocalyptic number.

48485772478 is a deficient number, since it is larger than the sum of its proper divisors (41949021122).

48485772478 is a wasteful number, since it uses less digits than its factorization.

48485772478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686417 (or 686404 counting only the distinct ones).

The product of its digits is 112394240, while the sum is 64.

The spelling of 48485772478 in words is "forty-eight billion, four hundred eighty-five million, seven hundred seventy-two thousand, four hundred seventy-eight".