3230778280 has 16 divisors (see below), whose sum is σ = 7269251220. Its totient is φ = 1292311296.

The previous prime is 3230778253. The next prime is 3230778307. The reversal of 3230778280 is 828770323.

It is an interprime number because it is at equal distance from previous prime (3230778253) and next prime (3230778307).

It can be written as a sum of positive squares in 2 ways, for example, as 3210582244 + 20196036 = 56662^2 + 4494^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 80769457 = 3230778280 / (3 + 2 + 3 + 0 + 7 + 7 + 8 + 2 + 8 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40384689 + ... + 40384768.

Almost surely, 2^3230778280 is an apocalyptic number.

It is an amenable number.

3230778280 is an abundant number, since it is smaller than the sum of its proper divisors (4038472940).

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

3230778280 is a wasteful number, since it uses less digits than its factorization.

3230778280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80769468 (or 80769464 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 3230778280 is about 56839.9356086898. The cubic root of 3230778280 is about 1478.3220391513.

The spelling of 3230778280 in words is "three billion, two hundred thirty million, seven hundred seventy-eight thousand, two hundred eighty".