3278057805 has 24 divisors (see below), whose sum is σ = 6198510240. Its totient is φ = 1589361120.

The previous prime is 3278057753. The next prime is 3278057807. The reversal of 3278057805 is 5087508723.

3278057805 is a `hidden beast` number, since 3 + 2 + 78 + 0 + 578 + 0 + 5 = 666.

It is not a de Polignac number, because 3278057805 - 2²⁹ = 2741186893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3278057807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3310675 + ... + 3311664.

It is an arithmetic number, because the mean of its divisors is an integer number (258271260).

Almost surely, 2^3278057805 is an apocalyptic number.

It is an amenable number.

3278057805 is a deficient number, since it is larger than the sum of its proper divisors (2920452435).

3278057805 is a wasteful number, since it uses less digits than its factorization.

3278057805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622361 (or 6622358 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 3278057805 is about 57254.3256444437. The cubic root of 3278057805 is about 1485.4984484618.

The spelling of 3278057805 in words is "three billion, two hundred seventy-eight million, fifty-seven thousand, eight hundred five".