869768852 has 18 divisors (see below), whose sum is σ = 1606424778. Its totient is φ = 411995088.

The previous prime is 869768843. The next prime is 869768863. The reversal of 869768852 is 258867968.

It can be written as a sum of positive squares in only one way, i.e., 840652036 + 29116816 = 28994^2 + 5396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 869768791 and 869768800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 299723 + ... + 302610.

It is an arithmetic number, because the mean of its divisors is an integer number (89245821).

Almost surely, 2^869768852 is an apocalyptic number.

It is an amenable number.

869768852 is a deficient number, since it is larger than the sum of its proper divisors (736655926).

869768852 is a wasteful number, since it uses less digits than its factorization.

869768852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602375 (or 602354 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 59.

The square root of 869768852 is about 29491.8438216399. The cubic root of 869768852 is about 954.5557181641. Note that the first 3 decimals are identical.

The spelling of 869768852 in words is "eight hundred sixty-nine million, seven hundred sixty-eight thousand, eight hundred fifty-two".