485205777 has 24 divisors (see below), whose sum is σ = 802601280. Its totient is φ = 276697440.

The previous prime is 485205751. The next prime is 485205779. The reversal of 485205777 is 777502584.

485205777 is a `hidden beast` number, since 4 + 8 + 520 + 57 + 77 = 666.

It is not a de Polignac number, because 485205777 - 2⁶ = 485205713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485205779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24502 + ... + 39632.

It is an arithmetic number, because the mean of its divisors is an integer number (33441720).

Almost surely, 2^485205777 is an apocalyptic number.

It is an amenable number.

485205777 is a deficient number, since it is larger than the sum of its proper divisors (317395503).

485205777 is a wasteful number, since it uses less digits than its factorization.

485205777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15653 (or 15650 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The square root of 485205777 is about 22027.3869762167. The cubic root of 485205777 is about 785.7939022210.

The spelling of 485205777 in words is "four hundred eighty-five million, two hundred five thousand, seven hundred seventy-seven".