869154650812 has 48 divisors (see below), whose sum is σ = 1876435868160. Its totient is φ = 344013227712.

The previous prime is 869154650809. The next prime is 869154650827. The reversal of 869154650812 is 218056451968.

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, 23250618 + ... + 23287969.

It is an arithmetic number, because the mean of its divisors is an integer number (39092413920).

Almost surely, 2^869154650812 is an apocalyptic number.

It is an amenable number.

869154650812 is an abundant number, since it is smaller than the sum of its proper divisors (1007281217348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869154650812 is a wasteful number, since it uses less digits than its factorization.

869154650812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46538650 (or 46538648 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 869154650812 in words is "eight hundred sixty-nine billion, one hundred fifty-four million, six hundred fifty thousand, eight hundred twelve".