230807852781 has 16 divisors (see below), whose sum is σ = 335741345280. Its totient is φ = 139874867120.

The previous prime is 230807852771. The next prime is 230807852797. The reversal of 230807852781 is 187258708032.

It is a cyclic number.

It is not a de Polignac number, because 230807852781 - 2¹¹ = 230807850733 is a prime.

It is a super-2 number, since 2×230807852781² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230807852741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344560 + ... + 761798.

It is an arithmetic number, because the mean of its divisors is an integer number (20983834080).

Almost surely, 2^230807852781 is an apocalyptic number.

It is an amenable number.

230807852781 is a deficient number, since it is larger than the sum of its proper divisors (104933492499).

230807852781 is a wasteful number, since it uses less digits than its factorization.

230807852781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434016.

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 230807852781 in words is "two hundred thirty billion, eight hundred seven million, eight hundred fifty-two thousand, seven hundred eighty-one".