80738756653 has 8 divisors (see below), whose sum is σ = 83574425880. Its totient is φ = 77906525760.

The previous prime is 80738756641. The next prime is 80738756669. The reversal of 80738756653 is 35665783708.

It can be written as a sum of positive squares in 4 ways, for example, as 46052301604 + 34686455049 = 214598^2 + 186243^2 .

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 80738756653 - 2²⁹ = 80201885741 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 (80738756453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811750 + ... + 905767.

It is an arithmetic number, because the mean of its divisors is an integer number (10446803235).

Almost surely, 2^80738756653 is an apocalyptic number.

It is an amenable number.

80738756653 is a deficient number, since it is larger than the sum of its proper divisors (2835669227).

80738756653 is a wasteful number, since it uses less digits than its factorization.

80738756653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719167.

The product of its (nonzero) digits is 25401600, while the sum is 58.

The spelling of 80738756653 in words is "eighty billion, seven hundred thirty-eight million, seven hundred fifty-six thousand, six hundred fifty-three".