854977728053 has 2 divisors, whose sum is σ = 854977728054. Its totient is φ = 854977728052.

The previous prime is 854977728043. The next prime is 854977728173. The reversal of 854977728053 is 350827779458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 749779346404 + 105198381649 = 865898^2 + 324343^2 .

It is a cyclic number.

It is not a de Polignac number, because 854977728053 - 2¹⁴ = 854977711669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854977728043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427488864026 + 427488864027.

It is an arithmetic number, because the mean of its divisors is an integer number (427488864027).

Almost surely, 2^854977728053 is an apocalyptic number.

It is an amenable number.

854977728053 is a deficient number, since it is larger than the sum of its proper divisors (1).

854977728053 is an equidigital number, since it uses as much as digits as its factorization.

854977728053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118540800, while the sum is 65.

The spelling of 854977728053 in words is "eight hundred fifty-four billion, nine hundred seventy-seven million, seven hundred twenty-eight thousand, fifty-three".