80125791 has 8 divisors (see below), whose sum is σ = 107814960. Its totient is φ = 52926912.

The previous prime is 80125763. The next prime is 80125807. The reversal of 80125791 is 19752108.

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

It is not a de Polignac number, because 80125791 - 2⁷ = 80125663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80125711) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 122190 + ... + 122843.

It is an arithmetic number, because the mean of its divisors is an integer number (13476870).

Almost surely, 2^80125791 is an apocalyptic number.

80125791 is a deficient number, since it is larger than the sum of its proper divisors (27689169).

80125791 is a wasteful number, since it uses less digits than its factorization.

80125791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245145.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 80125791 is about 8951.3010786142. The cubic root of 80125791 is about 431.1126601519.

Adding to 80125791 its reverse (19752108), we get a palindrome (99877899).

The spelling of 80125791 in words is "eighty million, one hundred twenty-five thousand, seven hundred ninety-one".