80904955186 has 16 divisors (see below), whose sum is σ = 132511091328. Its totient is φ = 36741322800.

The previous prime is 80904955177. The next prime is 80904955199. The reversal of 80904955186 is 68155940908.

It is a super-2 number, since 2×80904955186² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658250 + ... + 1706341.

It is an arithmetic number, because the mean of its divisors is an integer number (8281943208).

Almost surely, 2^80904955186 is an apocalyptic number.

80904955186 is a deficient number, since it is larger than the sum of its proper divisors (51606136142).

80904955186 is a wasteful number, since it uses less digits than its factorization.

80904955186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365697.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 80904955186 in words is "eighty billion, nine hundred four million, nine hundred fifty-five thousand, one hundred eighty-six".