80854747846 has 24 divisors (see below), whose sum is σ = 129976272360. Its totient is φ = 37712543232.

The previous prime is 80854747811. The next prime is 80854747867. The reversal of 80854747846 is 64874745808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 553656 + ... + 684283.

It is an arithmetic number, because the mean of its divisors is an integer number (5415678015).

Almost surely, 2^80854747846 is an apocalyptic number.

80854747846 is a deficient number, since it is larger than the sum of its proper divisors (49121524514).

80854747846 is a wasteful number, since it uses less digits than its factorization.

80854747846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238088 (or 1238071 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 61.

The spelling of 80854747846 in words is "eighty billion, eight hundred fifty-four million, seven hundred forty-seven thousand, eight hundred forty-six".