80706866042 has 16 divisors (see below), whose sum is σ = 132219914112. Its totient is φ = 36642124320.

The previous prime is 80706866003. The next prime is 80706866047. The reversal of 80706866042 is 24066860708.

It is not an unprimeable number, because it can be changed into a prime (80706866047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121458 + ... + 2159165.

It is an arithmetic number, because the mean of its divisors is an integer number (8263744632).

Almost surely, 2^80706866042 is an apocalyptic number.

80706866042 is a deficient number, since it is larger than the sum of its proper divisors (51513048070).

80706866042 is a wasteful number, since it uses less digits than its factorization.

80706866042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281493.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 80706866042 in words is "eighty billion, seven hundred six million, eight hundred sixty-six thousand, forty-two".