280280052776 has 64 divisors (see below), whose sum is σ = 560001600000. Its totient is φ = 131052837888.

The previous prime is 280280052749. The next prime is 280280052781. The reversal of 280280052776 is 677250082082.

It is a self number, because there is not a number n which added to its sum of digits gives 280280052776.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56064725 + ... + 56069723.

It is an arithmetic number, because the mean of its divisors is an integer number (8750025000).

Almost surely, 2^280280052776 is an apocalyptic number.

It is an amenable number.

280280052776 is a deficient number, since it is larger than the sum of its proper divisors (279721547224).

280280052776 is a wasteful number, since it uses less digits than its factorization.

280280052776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7578 (or 7574 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 280280052776 in words is "two hundred eighty billion, two hundred eighty million, fifty-two thousand, seven hundred seventy-six".