81846796 has 6 divisors (see below), whose sum is σ = 143231900. Its totient is φ = 40923396.

The previous prime is 81846781. The next prime is 81846839. The reversal of 81846796 is 69764818.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10230846 + ... + 10230853.

Almost surely, 2^81846796 is an apocalyptic number.

It is an amenable number.

81846796 is a deficient number, since it is larger than the sum of its proper divisors (61385104).

81846796 is a wasteful number, since it uses less digits than its factorization.

81846796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20461703 (or 20461701 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 81846796 is about 9046.9219074777. The cubic root of 81846796 is about 434.1774140687.

The spelling of 81846796 in words is "eighty-one million, eight hundred forty-six thousand, seven hundred ninety-six".