80919892670 has 8 divisors (see below), whose sum is σ = 145655806824. Its totient is φ = 32367957064.

The previous prime is 80919892663. The next prime is 80919892673. The reversal of 80919892670 is 7629891908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80919892673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4045994624 + ... + 4045994643.

It is an arithmetic number, because the mean of its divisors is an integer number (18206975853).

Almost surely, 2^80919892670 is an apocalyptic number.

80919892670 is a deficient number, since it is larger than the sum of its proper divisors (64735914154).

80919892670 is a wasteful number, since it uses less digits than its factorization.

80919892670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8091989274.

The product of its (nonzero) digits is 3919104, while the sum is 59.

The spelling of 80919892670 in words is "eighty billion, nine hundred nineteen million, eight hundred ninety-two thousand, six hundred seventy".