2780641088 has 14 divisors (see below), whose sum is σ = 5517834786. Its totient is φ = 1390320512.

The previous prime is 2780641081. The next prime is 2780641099. The reversal of 2780641088 is 8801460872.

2780641088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2519236864 + 261404224 = 50192^2 + 16168^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780641081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21723695 + ... + 21723822.

Almost surely, 2^2780641088 is an apocalyptic number.

It is an amenable number.

2780641088 is a deficient number, since it is larger than the sum of its proper divisors (2737193698).

2780641088 is an equidigital number, since it uses as much as digits as its factorization.

2780641088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43447529 (or 43447519 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 2780641088 is about 52731.7844188872. The cubic root of 2780641088 is about 1406.2039448476.

The spelling of 2780641088 in words is "two billion, seven hundred eighty million, six hundred forty-one thousand, eighty-eight".