2780557825328 has 10 divisors (see below), whose sum is σ = 5387330786604. Its totient is φ = 1390278912656.

The previous prime is 2780557825321. The next prime is 2780557825369. The reversal of 2780557825328 is 8235287550872.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2780557825321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86892432026 + ... + 86892432057.

Almost surely, 2^{2780557825328} is an apocalyptic number.

It is an amenable number.

2780557825328 is a deficient number, since it is larger than the sum of its proper divisors (2606772961276).

2780557825328 is a wasteful number, since it uses less digits than its factorization.

2780557825328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173784864091 (or 173784864085 counting only the distinct ones).

The product of its (nonzero) digits is 75264000, while the sum is 62.

The spelling of 2780557825328 in words is "two trillion, seven hundred eighty billion, five hundred fifty-seven million, eight hundred twenty-five thousand, three hundred twenty-eight".