5778739640 has 32 divisors (see below), whose sum is σ = 13121460000. Its totient is φ = 2290287744.

The previous prime is 5778739633. The next prime is 5778739643. The reversal of 5778739640 is 469378775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5778739643) 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, 658340 + ... + 667059.

It is an arithmetic number, because the mean of its divisors is an integer number (410045625).

Almost surely, 2^5778739640 is an apocalyptic number.

It is an amenable number.

5778739640 is an abundant number, since it is smaller than the sum of its proper divisors (7342720360).

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

5778739640 is a wasteful number, since it uses less digits than its factorization.

5778739640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325519 (or 1325515 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 56.

The square root of 5778739640 is about 76018.0218106207. The cubic root of 5778739640 is about 1794.5037736741.

The spelling of 5778739640 in words is "five billion, seven hundred seventy-eight million, seven hundred thirty-nine thousand, six hundred forty".