81067004708 has 12 divisors (see below), whose sum is σ = 146443621632. Its totient is φ = 39225969960.

The previous prime is 81067004653. The next prime is 81067004713. The reversal of 81067004708 is 80740076018.

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, 326882960 + ... + 326883207.

It is an arithmetic number, because the mean of its divisors is an integer number (12203635136).

Almost surely, 2^81067004708 is an apocalyptic number.

It is an amenable number.

81067004708 is a deficient number, since it is larger than the sum of its proper divisors (65376616924).

81067004708 is a wasteful number, since it uses less digits than its factorization.

81067004708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653766202 (or 653766200 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 81067004708 in words is "eighty-one billion, sixty-seven million, four thousand, seven hundred eight".