80625753589 has 4 divisors (see below), whose sum is σ = 80626328524. Its totient is φ = 80625178656.

The previous prime is 80625753587. The next prime is 80625753641. The reversal of 80625753589 is 98535752608.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11263576900 + 69362176689 = 106130^2 + 263367^2 .

It is a cyclic number.

It is not a de Polignac number, because 80625753589 - 2¹ = 80625753587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80625753587) 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, 76459 + ... + 408775.

It is an arithmetic number, because the mean of its divisors is an integer number (20156582131).

Almost surely, 2^80625753589 is an apocalyptic number.

It is an amenable number.

80625753589 is a deficient number, since it is larger than the sum of its proper divisors (574935).

80625753589 is a wasteful number, since it uses less digits than its factorization.

80625753589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574934.

The product of its (nonzero) digits is 18144000, while the sum is 58.

The spelling of 80625753589 in words is "eighty billion, six hundred twenty-five million, seven hundred fifty-three thousand, five hundred eighty-nine".