81046808 has 16 divisors (see below), whose sum is σ = 152060280. Its totient is φ = 40497408.

The previous prime is 81046783. The next prime is 81046843. The reversal of 81046808 is 80864018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18791 + ... + 22697.

Almost surely, 2^81046808 is an apocalyptic number.

It is an amenable number.

81046808 is a deficient number, since it is larger than the sum of its proper divisors (71013472).

81046808 is a wasteful number, since it uses less digits than its factorization.

81046808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6506 (or 6502 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 81046808 is about 9002.6000688690. The cubic root of 81046808 is about 432.7581992628.

The spelling of 81046808 in words is "eighty-one million, forty-six thousand, eight hundred eight".