868761933 has 16 divisors (see below), whose sum is σ = 1255833600. Its totient is φ = 531031104.

The previous prime is 868761857. The next prime is 868761989. The reversal of 868761933 is 339167868.

It is not a de Polignac number, because 868761933 - 2¹⁰ = 868760909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868761133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68941 + ... + 80562.

It is an arithmetic number, because the mean of its divisors is an integer number (78489600).

Almost surely, 2^868761933 is an apocalyptic number.

It is an amenable number.

868761933 is a deficient number, since it is larger than the sum of its proper divisors (387071667).

868761933 is a wasteful number, since it uses less digits than its factorization.

868761933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149668.

The product of its digits is 1306368, while the sum is 51.

The square root of 868761933 is about 29474.7677344538. The cubic root of 868761933 is about 954.1872174094.

The spelling of 868761933 in words is "eight hundred sixty-eight million, seven hundred sixty-one thousand, nine hundred thirty-three".