787082985 has 24 divisors (see below), whose sum is σ = 1469222664. Its totient is φ = 387486720.

The previous prime is 787082957. The next prime is 787083029. The reversal of 787082985 is 589280787.

It can be written as a sum of positive squares in 4 ways, for example, as 8003241 + 779079744 = 2829^2 + 27912^2 .

It is not a de Polignac number, because 787082985 - 2⁵ = 787082953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 672136 + ... + 673305.

It is an arithmetic number, because the mean of its divisors is an integer number (61217611).

Almost surely, 2^787082985 is an apocalyptic number.

It is an amenable number.

787082985 is a deficient number, since it is larger than the sum of its proper divisors (682139679).

787082985 is a wasteful number, since it uses less digits than its factorization.

787082985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345465 (or 1345462 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The square root of 787082985 is about 28054.9992871146. Note that the first 3 decimals coincide. The cubic root of 787082985 is about 923.2943430240.

The spelling of 787082985 in words is "seven hundred eighty-seven million, eighty-two thousand, nine hundred eighty-five".