854049009977 has 2 divisors, whose sum is σ = 854049009978. Its totient is φ = 854049009976.

The previous prime is 854049009907. The next prime is 854049010063. The reversal of 854049009977 is 779900940458.

854049009977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 511126334761 + 342922675216 = 714931^2 + 585596^2 .

It is a cyclic number.

It is not a de Polignac number, because 854049009977 - 2³² = 849754042681 is a prime.

It is a super-2 number, since 2×854049009977² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (854049009907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427024504988 + 427024504989.

It is an arithmetic number, because the mean of its divisors is an integer number (427024504989).

Almost surely, 2^854049009977 is an apocalyptic number.

It is an amenable number.

854049009977 is a deficient number, since it is larger than the sum of its proper divisors (1).

854049009977 is an equidigital number, since it uses as much as digits as its factorization.

854049009977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 854049009977 in words is "eight hundred fifty-four billion, forty-nine million, nine thousand, nine hundred seventy-seven".