787053285 has 12 divisors (see below), whose sum is σ = 1364225772. Its totient is φ = 419761728.

The previous prime is 787053271. The next prime is 787053299. The reversal of 787053285 is 582350787.

It is an interprime number because it is at equal distance from previous prime (787053271) and next prime (787053299).

It can be written as a sum of positive squares in 2 ways, for example, as 131744484 + 655308801 = 11478^2 + 25599^2 .

It is not a de Polignac number, because 787053285 - 2⁴ = 787053269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 17490073 = 787053285 / (7 + 8 + 7 + 0 + 5 + 3 + 2 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 787053285.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8744992 + ... + 8745081.

It is an arithmetic number, because the mean of its divisors is an integer number (113685481).

Almost surely, 2^787053285 is an apocalyptic number.

It is an amenable number.

787053285 is a deficient number, since it is larger than the sum of its proper divisors (577172487).

787053285 is a wasteful number, since it uses less digits than its factorization.

787053285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17490084 (or 17490081 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 787053285 is about 28054.4699646955. The cubic root of 787053285 is about 923.2827295994.

The spelling of 787053285 in words is "seven hundred eighty-seven million, fifty-three thousand, two hundred eighty-five".