280869248628 has 60 divisors (see below), whose sum is σ = 734573502432. Its totient is φ = 93581539920.

The previous prime is 280869248617. The next prime is 280869248657. The reversal of 280869248628 is 826842968082.

280869248628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×280869248628³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 543313 + ... + 925703.

Almost surely, 2^280869248628 is an apocalyptic number.

It is an amenable number.

280869248628 is an abundant number, since it is smaller than the sum of its proper divisors (453704253804).

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

280869248628 is a wasteful number, since it uses less digits than its factorization.

280869248628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384674 (or 384663 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 63.

The spelling of 280869248628 in words is "two hundred eighty billion, eight hundred sixty-nine million, two hundred forty-eight thousand, six hundred twenty-eight".