50003977786 has 16 divisors (see below), whose sum is σ = 90763523136. Its totient is φ = 20169671616.

The previous prime is 50003977753. The next prime is 50003977817. The reversal of 50003977786 is 68777930005.

It is a happy number.

It is an unprimeable number.

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, 105050136 + ... + 105050611.

It is an arithmetic number, because the mean of its divisors is an integer number (5672720196).

Almost surely, 2^50003977786 is an apocalyptic number.

50003977786 is a deficient number, since it is larger than the sum of its proper divisors (40759545350).

50003977786 is a wasteful number, since it uses less digits than its factorization.

50003977786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210100773.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 50003977786 in words is "fifty billion, three million, nine hundred seventy-seven thousand, seven hundred eighty-six".