2780875960 has 32 divisors (see below), whose sum is σ = 6289747200. Its totient is φ = 1106523520.

The previous prime is 2780875913. The next prime is 2780875961. The reversal of 2780875960 is 695780872.

It is a super-2 number, since 2×2780875960² = 15466542209811843200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2780875898 and 2780875907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780875961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174355 + ... + 189634.

It is an arithmetic number, because the mean of its divisors is an integer number (196554600).

Almost surely, 2^2780875960 is an apocalyptic number.

2780875960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2780875960 is an abundant number, since it is smaller than the sum of its proper divisors (3508871240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2780875960 is a wasteful number, since it uses less digits than its factorization.

2780875960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364191 (or 364187 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 2780875960 is about 52734.0114157836. The cubic root of 2780875960 is about 1406.2435362732.

The spelling of 2780875960 in words is "two billion, seven hundred eighty million, eight hundred seventy-five thousand, nine hundred sixty".