2780883061 has 8 divisors (see below), whose sum is σ = 3044490048. Its totient is φ = 2519076000.

The previous prime is 2780883041. The next prime is 2780883163. The reversal of 2780883061 is 1603880872.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2780883061 - 2¹⁹ = 2780358773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2780882999 and 2780883017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780883041) 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, 446745 + ... + 452926.

It is an arithmetic number, because the mean of its divisors is an integer number (380561256).

Almost surely, 2^2780883061 is an apocalyptic number.

It is an amenable number.

2780883061 is a deficient number, since it is larger than the sum of its proper divisors (263606987).

2780883061 is a wasteful number, since it uses less digits than its factorization.

2780883061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899963.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 2780883061 is about 52734.0787442049. The cubic root of 2780883061 is about 1406.2447332254.

The spelling of 2780883061 in words is "two billion, seven hundred eighty million, eight hundred eighty-three thousand, sixty-one".