869790703221 has 48 divisors (see below), whose sum is σ = 1451360177280. Its totient is φ = 496083087360.

The previous prime is 869790703183. The next prime is 869790703267. The reversal of 869790703221 is 122307097968.

869790703221 is a `hidden beast` number, since 86 + 97 + 90 + 70 + 322 + 1 = 666.

869790703221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 869790703221 - 2²¹ = 869788606069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869790704221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19313496 + ... + 19358478.

It is an arithmetic number, because the mean of its divisors is an integer number (30236670360).

Almost surely, 2^869790703221 is an apocalyptic number.

It is an amenable number.

869790703221 is a deficient number, since it is larger than the sum of its proper divisors (581569474059).

869790703221 is a wasteful number, since it uses less digits than its factorization.

869790703221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56506 (or 56503 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 869790703221 in words is "eight hundred sixty-nine billion, seven hundred ninety million, seven hundred three thousand, two hundred twenty-one".