80505597 has 8 divisors (see below), whose sum is σ = 107434144. Its totient is φ = 53623728.

The previous prime is 80505583. The next prime is 80505613. The reversal of 80505597 is 79550508.

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

It is not a de Polignac number, because 80505597 - 2¹² = 80501501 is a prime.

It is a super-2 number, since 2×80505597² = 12962302296652818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80505517) 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, 7423 + ... + 14700.

It is an arithmetic number, because the mean of its divisors is an integer number (13429268).

Almost surely, 2^80505597 is an apocalyptic number.

It is an amenable number.

80505597 is a deficient number, since it is larger than the sum of its proper divisors (26928547).

80505597 is a wasteful number, since it uses less digits than its factorization.

80505597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23339.

The product of its (nonzero) digits is 63000, while the sum is 39.

The square root of 80505597 is about 8972.4911256574. The cubic root of 80505597 is about 431.7927621830.

The spelling of 80505597 in words is "eighty million, five hundred five thousand, five hundred ninety-seven".