3278863506 has 16 divisors (see below), whose sum is σ = 6578417664. Its totient is φ = 1089506064.

The previous prime is 3278863387. The next prime is 3278863513. The reversal of 3278863506 is 6053688723.

It is a super-2 number, since 2×3278863506² = 21501891781957224072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860050 + ... + 863853.

It is an arithmetic number, because the mean of its divisors is an integer number (411151104).

Almost surely, 2^3278863506 is an apocalyptic number.

3278863506 is an abundant number, since it is smaller than the sum of its proper divisors (3299554158).

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

3278863506 is a wasteful number, since it uses less digits than its factorization.

3278863506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724225.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 3278863506 is about 57261.3613704739. The cubic root of 3278863506 is about 1485.6201434422.

The spelling of 3278863506 in words is "three billion, two hundred seventy-eight million, eight hundred sixty-three thousand, five hundred six".