80780505753 has 8 divisors (see below), whose sum is σ = 107711460000. Its totient is φ = 53851611008.

The previous prime is 80780505733. The next prime is 80780505763. The reversal of 80780505753 is 35750508708.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 80780505753 - 2¹⁰ = 80780504729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80780505733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420903 + ... + 581996.

It is an arithmetic number, because the mean of its divisors is an integer number (13463932500).

Almost surely, 2^80780505753 is an apocalyptic number.

It is an amenable number.

80780505753 is a deficient number, since it is larger than the sum of its proper divisors (26930954247).

80780505753 is a wasteful number, since it uses less digits than its factorization.

80780505753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029751.

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 80780505753 in words is "eighty billion, seven hundred eighty million, five hundred five thousand, seven hundred fifty-three".