6013553778 has 32 divisors (see below), whose sum is σ = 13562915520. Its totient is φ = 1974598560.

The previous prime is 6013553773. The next prime is 6013553779. The reversal of 6013553778 is 8773553106.

6013553778 is a `hidden beast` number, since 601 + 3 + 5 + 5 + 37 + 7 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (6013553771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827443 + ... + 834678.

It is an arithmetic number, because the mean of its divisors is an integer number (423841110).

Almost surely, 2^6013553778 is an apocalyptic number.

6013553778 is an abundant number, since it is smaller than the sum of its proper divisors (7549361742).

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

6013553778 is a wasteful number, since it uses less digits than its factorization.

6013553778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662199 (or 1662193 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 6013553778 is about 77547.1068319122. The cubic root of 6013553778 is about 1818.4878332285.

The spelling of 6013553778 in words is "six billion, thirteen million, five hundred fifty-three thousand, seven hundred seventy-eight".