50002780005 has 32 divisors (see below), whose sum is σ = 90351121920. Its totient is φ = 26230962240.

The previous prime is 50002779991. The next prime is 50002780027. The reversal of 50002780005 is 50008720005.

It is a happy number.

It is not a de Polignac number, because 50002780005 - 2⁶ = 50002779941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3027757 + ... + 3044226.

It is an arithmetic number, because the mean of its divisors is an integer number (2823472560).

Almost surely, 2^50002780005 is an apocalyptic number.

It is an amenable number.

50002780005 is a deficient number, since it is larger than the sum of its proper divisors (40348341915).

50002780005 is a wasteful number, since it uses less digits than its factorization.

50002780005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072058 (or 6072052 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The spelling of 50002780005 in words is "fifty billion, two million, seven hundred eighty thousand, five".