869424405765 has 16 divisors (see below), whose sum is σ = 1391100187968. Its totient is φ = 463685970176.

The previous prime is 869424405757. The next prime is 869424405799. The reversal of 869424405765 is 567504424968.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 869424405765 - 2³ = 869424405757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 869424405699 and 869424405708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669922 + ... + 1479068.

It is an arithmetic number, because the mean of its divisors is an integer number (86943761748).

Almost surely, 2^869424405765 is an apocalyptic number.

It is an amenable number.

869424405765 is a deficient number, since it is larger than the sum of its proper divisors (521675782203).

869424405765 is a wasteful number, since it uses less digits than its factorization.

869424405765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880788.

The product of its (nonzero) digits is 58060800, while the sum is 60.

The spelling of 869424405765 in words is "eight hundred sixty-nine billion, four hundred twenty-four million, four hundred five thousand, seven hundred sixty-five".