1285360677 has 16 divisors (see below), whose sum is σ = 1923873280. Its totient is φ = 848071296.

The previous prime is 1285360651. The next prime is 1285360693. The reversal of 1285360677 is 7760635821.

1285360677 is a `hidden beast` number, since 1 + 285 + 360 + 6 + 7 + 7 = 666.

It is not a de Polignac number, because 1285360677 - 2¹⁸ = 1285098533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285360877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242773 + ... + 248010.

It is an arithmetic number, because the mean of its divisors is an integer number (120242080).

Almost surely, 2^1285360677 is an apocalyptic number.

It is an amenable number.

1285360677 is a deficient number, since it is larger than the sum of its proper divisors (638512603).

1285360677 is an equidigital number, since it uses as much as digits as its factorization.

1285360677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490889 (or 490883 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 1285360677 is about 35851.9271030164. The cubic root of 1285360677 is about 1087.2806768170.

The spelling of 1285360677 in words is "one billion, two hundred eighty-five million, three hundred sixty thousand, six hundred seventy-seven".