80529040257 has 8 divisors (see below), whose sum is σ = 107377905984. Its totient is φ = 53683100688.

The previous prime is 80529040231. The next prime is 80529040343. The reversal of 80529040257 is 75204092508.

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

It is not a de Polignac number, because 80529040257 - 2¹⁴ = 80529023873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80529040217) 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, 666498 + ... + 777995.

It is an arithmetic number, because the mean of its divisors is an integer number (13422238248).

Almost surely, 2^80529040257 is an apocalyptic number.

It is an amenable number.

80529040257 is a deficient number, since it is larger than the sum of its proper divisors (26848865727).

80529040257 is a wasteful number, since it uses less digits than its factorization.

80529040257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463079.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 80529040257 in words is "eighty billion, five hundred twenty-nine million, forty thousand, two hundred fifty-seven".