8557277854138 has 12 divisors (see below), whose sum is σ = 13899247165998. Its totient is φ = 3949512855600.

The previous prime is 8557277854121. The next prime is 8557277854157. The reversal of 8557277854138 is 8314587727558.

It can be written as a sum of positive squares in 3 ways, for example, as 3536554808329 + 5020723045809 = 1880573^2 + 2240697^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12658694713 + ... + 12658695388.

Almost surely, 2^{8557277854138} is an apocalyptic number.

8557277854138 is a deficient number, since it is larger than the sum of its proper divisors (5341969311860).

8557277854138 is a wasteful number, since it uses less digits than its factorization.

8557277854138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25317390129 (or 25317390116 counting only the distinct ones).

The product of its digits is 526848000, while the sum is 70.

The spelling of 8557277854138 in words is "eight trillion, five hundred fifty-seven billion, two hundred seventy-seven million, eight hundred fifty-four thousand, one hundred thirty-eight".