2780050005003 has 16 divisors (see below), whose sum is σ = 3816815810976. Its totient is φ = 1798793871360.

The previous prime is 2780050004999. The next prime is 2780050005017. The reversal of 2780050005003 is 3005000500872.

It is a happy number.

It is not a de Polignac number, because 2780050005003 - 2² = 2780050004999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2780050005043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58530750 + ... + 58578227.

It is an arithmetic number, because the mean of its divisors is an integer number (238550988186).

Almost surely, 2^{2780050005003} is an apocalyptic number.

2780050005003 is a deficient number, since it is larger than the sum of its proper divisors (1036765805973).

2780050005003 is a wasteful number, since it uses less digits than its factorization.

2780050005003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117109214.

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 2780050005003 its reverse (3005000500872), we get a palindrome (5785050505875).

The spelling of 2780050005003 in words is "two trillion, seven hundred eighty billion, fifty million, five thousand, three".