80654121775 has 12 divisors (see below), whose sum is σ = 100798604032. Its totient is φ = 64015237440.

The previous prime is 80654121703. The next prime is 80654121803. The reversal of 80654121775 is 57712145608.

It is not a de Polignac number, because 80654121775 - 2¹⁹ = 80653597487 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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, 12698262 + ... + 12704611.

Almost surely, 2^80654121775 is an apocalyptic number.

80654121775 is a deficient number, since it is larger than the sum of its proper divisors (20144482257).

80654121775 is a wasteful number, since it uses less digits than its factorization.

80654121775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25403010 (or 25403005 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 80654121775 in words is "eighty billion, six hundred fifty-four million, one hundred twenty-one thousand, seven hundred seventy-five".