1812076868 has 24 divisors (see below), whose sum is σ = 3646396992. Its totient is φ = 771837984.

The previous prime is 1812076843. The next prime is 1812076891. The reversal of 1812076868 is 8686702181.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193955 + ... + 203082.

It is an arithmetic number, because the mean of its divisors is an integer number (151933208).

Almost surely, 2^1812076868 is an apocalyptic number.

It is an amenable number.

1812076868 is an abundant number, since it is smaller than the sum of its proper divisors (1834320124).

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

1812076868 is a wasteful number, since it uses less digits than its factorization.

1812076868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397211 (or 397209 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 1812076868 is about 42568.4961914325. The cubic root of 1812076868 is about 1219.1548540646.

The spelling of 1812076868 in words is "one billion, eight hundred twelve million, seventy-six thousand, eight hundred sixty-eight".