49778846163 has 32 divisors (see below), whose sum is σ = 75739161600. Its totient is φ = 32300316000.

The previous prime is 49778846147. The next prime is 49778846233. The reversal of 49778846163 is 36164887794.

49778846163 is a `hidden beast` number, since 4 + 9 + 7 + 7 + 8 + 8 + 4 + 616 + 3 = 666.

It is not a de Polignac number, because 49778846163 - 2⁴ = 49778846147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49778846163.

It is not an unprimeable number, because it can be changed into a prime (49778846113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6198 + ... + 315588.

It is an arithmetic number, because the mean of its divisors is an integer number (2366848800).

Almost surely, 2^49778846163 is an apocalyptic number.

49778846163 is a deficient number, since it is larger than the sum of its proper divisors (25960315437).

49778846163 is a wasteful number, since it uses less digits than its factorization.

49778846163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309560 (or 309554 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 49778846163 in words is "forty-nine billion, seven hundred seventy-eight million, eight hundred forty-six thousand, one hundred sixty-three".