936868868639 has 8 divisors (see below), whose sum is σ = 1023535170432. Its totient is φ = 850451967640.

The previous prime is 936868868627. The next prime is 936868868641.

936868868639 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 936868868639 - 2¹² = 936868864543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (936868868669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62342339 + ... + 62357364.

It is an arithmetic number, because the mean of its divisors is an integer number (127941896304).

Almost surely, 2^936868868639 is an apocalyptic number.

936868868639 is a deficient number, since it is larger than the sum of its proper divisors (86666301793).

936868868639 is a wasteful number, since it uses less digits than its factorization.

936868868639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124700397.

The product of its digits is 3869835264, while the sum is 80.

The spelling of 936868868639 in words is "nine hundred thirty-six billion, eight hundred sixty-eight million, eight hundred sixty-eight thousand, six hundred thirty-nine".