2748778087 has 8 divisors (see below), whose sum is σ = 3001153680. Its totient is φ = 2496816960.

The previous prime is 2748778073. The next prime is 2748778099. The reversal of 2748778087 is 7808778472.

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

It is not a de Polignac number, because 2748778087 - 2²⁷ = 2614560359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748778387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89662 + ... + 116347.

It is an arithmetic number, because the mean of its divisors is an integer number (375144210).

Almost surely, 2^2748778087 is an apocalyptic number.

2748778087 is a deficient number, since it is larger than the sum of its proper divisors (252375593).

2748778087 is a wasteful number, since it uses less digits than its factorization.

2748778087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207233.

The product of its (nonzero) digits is 9834496, while the sum is 58.

The square root of 2748778087 is about 52428.7906307212. The cubic root of 2748778087 is about 1400.8121286296.

The spelling of 2748778087 in words is "two billion, seven hundred forty-eight million, seven hundred seventy-eight thousand, eighty-seven".