2800078533 has 48 divisors (see below), whose sum is σ = 4769856000. Its totient is φ = 1549698048.

The previous prime is 2800078531. The next prime is 2800078543. The reversal of 2800078533 is 3358700082.

It is not a de Polignac number, because 2800078533 - 2¹ = 2800078531 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2800078531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 282343 + ... + 292091.

It is an arithmetic number, because the mean of its divisors is an integer number (99372000).

Almost surely, 2^2800078533 is an apocalyptic number.

It is an amenable number.

2800078533 is a deficient number, since it is larger than the sum of its proper divisors (1969777467).

2800078533 is a wasteful number, since it uses less digits than its factorization.

2800078533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9906 (or 9903 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2800078533 is about 52915.7682831876. The cubic root of 2800078533 is about 1409.4729235639.

The spelling of 2800078533 in words is "two billion, eight hundred million, seventy-eight thousand, five hundred thirty-three".