50478849487 has 16 divisors (see below), whose sum is σ = 55464355584. Its totient is φ = 45560592000.

The previous prime is 50478849437. The next prime is 50478849511. The reversal of 50478849487 is 78494887405.

It is a de Polignac number, because none of the positive numbers 2^k-50478849487 is a prime.

It is a super-3 number, since 3×50478849487³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50478849437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848718 + ... + 906244.

It is an arithmetic number, because the mean of its divisors is an integer number (3466522224).

Almost surely, 2^50478849487 is an apocalyptic number.

50478849487 is a deficient number, since it is larger than the sum of its proper divisors (4985506097).

50478849487 is a wasteful number, since it uses less digits than its factorization.

50478849487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58110.

The product of its (nonzero) digits is 72253440, while the sum is 64.

The spelling of 50478849487 in words is "fifty billion, four hundred seventy-eight million, eight hundred forty-nine thousand, four hundred eighty-seven".