2780068047 has 8 divisors (see below), whose sum is σ = 3707007744. Its totient is φ = 1853253528.

The previous prime is 2780068043. The next prime is 2780068061. The reversal of 2780068047 is 7408600872.

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

It is not a de Polignac number, because 2780068047 - 2² = 2780068043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780068043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52858 + ... + 91400.

It is an arithmetic number, because the mean of its divisors is an integer number (463375968).

Almost surely, 2^2780068047 is an apocalyptic number.

2780068047 is a deficient number, since it is larger than the sum of its proper divisors (926939697).

2780068047 is a wasteful number, since it uses less digits than its factorization.

2780068047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62589.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 2780068047 is about 52726.3505943660. The cubic root of 2780068047 is about 1406.1073402817.

The spelling of 2780068047 in words is "two billion, seven hundred eighty million, sixty-eight thousand, forty-seven".