1285677606 has 64 divisors (see below), whose sum is σ = 2670905088. Its totient is φ = 412397568.

The previous prime is 1285677593. The next prime is 1285677629. The reversal of 1285677606 is 6067765821.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5663665 + ... + 5663891.

It is an arithmetic number, because the mean of its divisors is an integer number (41732892).

Almost surely, 2^1285677606 is an apocalyptic number.

1285677606 is an abundant number, since it is smaller than the sum of its proper divisors (1385227482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1285677606 is a wasteful number, since it uses less digits than its factorization.

1285677606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 1285677606 is about 35856.3468022050. The cubic root of 1285677606 is about 1087.3700324005.

The spelling of 1285677606 in words is "one billion, two hundred eighty-five million, six hundred seventy-seven thousand, six hundred six".