80134085990 has 24 divisors (see below), whose sum is σ = 167790964752. Its totient is φ = 27474543600.

The previous prime is 80134085981. The next prime is 80134086037. The reversal of 80134085990 is 9958043108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81768986 + ... + 81769965.

It is an arithmetic number, because the mean of its divisors is an integer number (6991290198).

Almost surely, 2^80134085990 is an apocalyptic number.

80134085990 is an abundant number, since it is smaller than the sum of its proper divisors (87656878762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80134085990 is a wasteful number, since it uses less digits than its factorization.

80134085990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163538972 (or 163538965 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 80134085990 in words is "eighty billion, one hundred thirty-four million, eighty-five thousand, nine hundred ninety".