81046767484 has 6 divisors (see below), whose sum is σ = 141831843104. Its totient is φ = 40523383740.

The previous prime is 81046767449. The next prime is 81046767511. The reversal of 81046767484 is 48476764018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10130845932 + ... + 10130845939.

Almost surely, 2^81046767484 is an apocalyptic number.

It is an amenable number.

81046767484 is a deficient number, since it is larger than the sum of its proper divisors (60785075620).

81046767484 is a wasteful number, since it uses less digits than its factorization.

81046767484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20261691875 (or 20261691873 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 81046767484 in words is "eighty-one billion, forty-six million, seven hundred sixty-seven thousand, four hundred eighty-four".