2780800050803 has 16 divisors (see below), whose sum is σ = 2850763053600. Its totient is φ = 2710939883520.

The previous prime is 2780800050757. The next prime is 2780800050839. The reversal of 2780800050803 is 3080500080872.

It is a cyclic number.

It is not a de Polignac number, because 2780800050803 - 2²⁰ = 2780799002227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2780800050103) 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, 588028943 + ... + 588033671.

It is an arithmetic number, because the mean of its divisors is an integer number (178172690850).

Almost surely, 2^{2780800050803} is an apocalyptic number.

2780800050803 is a deficient number, since it is larger than the sum of its proper divisors (69963002797).

2780800050803 is a wasteful number, since it uses less digits than its factorization.

2780800050803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12502.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 2780800050803 in words is "two trillion, seven hundred eighty billion, eight hundred million, fifty thousand, eight hundred three".