868051812 has 24 divisors (see below), whose sum is σ = 2029213312. Its totient is φ = 288813600.

The previous prime is 868051787. The next prime is 868051817. The reversal of 868051812 is 218150868.

It is not an unprimeable number, because it can be changed into a prime (868051817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60364 + ... + 73347.

Almost surely, 2^868051812 is an apocalyptic number.

It is an amenable number.

868051812 is an abundant number, since it is smaller than the sum of its proper divisors (1161161500).

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

868051812 is a wasteful number, since it uses less digits than its factorization.

868051812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134259 (or 134257 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 39.

The square root of 868051812 is about 29462.7190191265. The cubic root of 868051812 is about 953.9271641627.

The spelling of 868051812 in words is "eight hundred sixty-eight million, fifty-one thousand, eight hundred twelve".