5555557877774 has 16 divisors (see below), whose sum is σ = 8823638464848. Its totient is φ = 2614348958592.

The previous prime is 5555557877761. The next prime is 5555557877777. The reversal of 5555557877774 is 4777787555555.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5555557877695 and 5555557877704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555557877777) 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, 2049464 + ... + 3912980.

It is an arithmetic number, because the mean of its divisors is an integer number (551477404053).

Almost surely, 2^{5555557877774} is an apocalyptic number.

5555557877774 is a deficient number, since it is larger than the sum of its proper divisors (3268080587074).

5555557877774 is a wasteful number, since it uses less digits than its factorization.

5555557877774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951219.

The product of its digits is 8403500000, while the sum is 77.

The spelling of 5555557877774 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-seven million, eight hundred seventy-seven thousand, seven hundred seventy-four".