2780028119 has 24 divisors (see below), whose sum is σ = 3137001840. Its totient is φ = 2460965760.

The previous prime is 2780028109. The next prime is 2780028151. The reversal of 2780028119 is 9118200872.

It is a de Polignac number, because none of the positive numbers 2^k-2780028119 is a prime.

It is a super-2 number, since 2×2780028119² = 15457112684861356322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780028109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 719597 + ... + 723449.

It is an arithmetic number, because the mean of its divisors is an integer number (130708410).

Almost surely, 2^2780028119 is an apocalyptic number.

2780028119 is a deficient number, since it is larger than the sum of its proper divisors (356973721).

2780028119 is a wasteful number, since it uses less digits than its factorization.

2780028119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031 (or 4020 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 2780028119 is about 52725.9719587984. The cubic root of 2780028119 is about 1406.1006086332.

The spelling of 2780028119 in words is "two billion, seven hundred eighty million, twenty-eight thousand, one hundred nineteen".