2734878081 has 8 divisors (see below), whose sum is σ = 3927004480. Its totient is φ = 1683001872.

The previous prime is 2734878079. The next prime is 2734878121. The reversal of 2734878081 is 1808784372.

It is a happy number.

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

It is not a de Polignac number, because 2734878081 - 2¹ = 2734878079 is a prime.

It is a super-2 number, since 2×2734878081² = 14959116235868485122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2734878081.

It is not an unprimeable number, because it can be changed into a prime (2734878061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35062501 + ... + 35062578.

It is an arithmetic number, because the mean of its divisors is an integer number (490875560).

Almost surely, 2^2734878081 is an apocalyptic number.

It is an amenable number.

2734878081 is a deficient number, since it is larger than the sum of its proper divisors (1192126399).

2734878081 is a wasteful number, since it uses less digits than its factorization.

2734878081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70125095.

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 2734878081 is about 52296.0618115743. The cubic root of 2734878081 is about 1398.4469309946.

The spelling of 2734878081 in words is "two billion, seven hundred thirty-four million, eight hundred seventy-eight thousand, eighty-one".