3278949478 has 8 divisors (see below), whose sum is σ = 5621056272. Its totient is φ = 1405264056.

The previous prime is 3278949469. The next prime is 3278949493. The reversal of 3278949478 is 8749498723.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 117105325 + ... + 117105352.

It is an arithmetic number, because the mean of its divisors is an integer number (702632034).

Almost surely, 2^3278949478 is an apocalyptic number.

3278949478 is a deficient number, since it is larger than the sum of its proper divisors (2342106794).

3278949478 is a wasteful number, since it uses less digits than its factorization.

3278949478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234210686.

The product of its digits is 24385536, while the sum is 61.

The square root of 3278949478 is about 57262.1120637372. The cubic root of 3278949478 is about 1485.6331276788.

The spelling of 3278949478 in words is "three billion, two hundred seventy-eight million, nine hundred forty-nine thousand, four hundred seventy-eight".