1002085788 has 48 divisors (see below), whose sum is σ = 2633057280. Its totient is φ = 293865600.

The previous prime is 1002085769. The next prime is 1002085789. The reversal of 1002085788 is 8875802001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002085789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118353 + ... + 126536.

It is an arithmetic number, because the mean of its divisors is an integer number (54855360).

Almost surely, 2^1002085788 is an apocalyptic number.

It is an amenable number.

1002085788 is an abundant number, since it is smaller than the sum of its proper divisors (1630971492).

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

1002085788 is a wasteful number, since it uses less digits than its factorization.

1002085788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244938 (or 244936 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 1002085788 is about 31655.7386266693. The cubic root of 1002085788 is about 1000.6947798359.

Adding to 1002085788 its reverse (8875802001), we get a palindrome (9877887789).

The spelling of 1002085788 in words is "one billion, two million, eighty-five thousand, seven hundred eighty-eight".