869724942407 has 4 divisors (see below), whose sum is σ = 871800658680. Its totient is φ = 867649226136.

The previous prime is 869724942397. The next prime is 869724942431. The reversal of 869724942407 is 704249427968.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 869724942407 - 2³⁴ = 852545073223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 869724942407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869724942707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037857508 + ... + 1037858345.

It is an arithmetic number, because the mean of its divisors is an integer number (217950164670).

Almost surely, 2^869724942407 is an apocalyptic number.

869724942407 is a deficient number, since it is larger than the sum of its proper divisors (2075716273).

869724942407 is a wasteful number, since it uses less digits than its factorization.

869724942407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075716272.

The product of its (nonzero) digits is 48771072, while the sum is 62.

The spelling of 869724942407 in words is "eight hundred sixty-nine billion, seven hundred twenty-four million, nine hundred forty-two thousand, four hundred seven".