188477376853 has 2 divisors, whose sum is σ = 188477376854. Its totient is φ = 188477376852.

The previous prime is 188477376847. The next prime is 188477377007. The reversal of 188477376853 is 358673774881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163998271089 + 24479105764 = 404967^2 + 156458^2 .

It is a cyclic number.

It is not a de Polignac number, because 188477376853 - 2⁵ = 188477376821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188477476853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94238688426 + 94238688427.

It is an arithmetic number, because the mean of its divisors is an integer number (94238688427).

Almost surely, 2^188477376853 is an apocalyptic number.

It is an amenable number.

188477376853 is a deficient number, since it is larger than the sum of its proper divisors (1).

188477376853 is an equidigital number, since it uses as much as digits as its factorization.

188477376853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189665280, while the sum is 67.

The spelling of 188477376853 in words is "one hundred eighty-eight billion, four hundred seventy-seven million, three hundred seventy-six thousand, eight hundred fifty-three".