807530508285 has 32 divisors (see below), whose sum is σ = 1412182397952. Its totient is φ = 392272880640.

The previous prime is 807530508263. The next prime is 807530508289. The reversal of 807530508285 is 582805035708.

It is a happy number.

It is not a de Polignac number, because 807530508285 - 2¹⁰ = 807530507261 is a prime.

It is a super-2 number, since 2×807530508285² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807530508289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51069294 + ... + 51085103.

It is an arithmetic number, because the mean of its divisors is an integer number (44130699936).

Almost surely, 2^807530508285 is an apocalyptic number.

807530508285 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

807530508285 is a deficient number, since it is larger than the sum of its proper divisors (604651889667).

807530508285 is a wasteful number, since it uses less digits than its factorization.

807530508285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102154453.

The product of its (nonzero) digits is 2688000, while the sum is 51.

The spelling of 807530508285 in words is "eight hundred seven billion, five hundred thirty million, five hundred eight thousand, two hundred eighty-five".