5918655549878 has 8 divisors (see below), whose sum is σ = 8999599534968. Its totient is φ = 2918789038224.

The previous prime is 5918655549871. The next prime is 5918655549929. The reversal of 5918655549878 is 8789455568195.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5918655549871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20269368176 + ... + 20269368467.

It is an arithmetic number, because the mean of its divisors is an integer number (1124949941871).

Almost surely, 2^{5918655549878} is an apocalyptic number.

5918655549878 is a deficient number, since it is larger than the sum of its proper divisors (3080943985090).

5918655549878 is a wasteful number, since it uses less digits than its factorization.

5918655549878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40538736718.

The product of its digits is 4354560000, while the sum is 80.

The spelling of 5918655549878 in words is "five trillion, nine hundred eighteen billion, six hundred fifty-five million, five hundred forty-nine thousand, eight hundred seventy-eight".