80497693 has 4 divisors (see below), whose sum is σ = 81279328. Its totient is φ = 79716060.

The previous prime is 80497679. The next prime is 80497709. The reversal of 80497693 is 39679408.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80497693 - 2²⁵ = 46943261 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 (80497663) 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, 390663 + ... + 390868.

It is an arithmetic number, because the mean of its divisors is an integer number (20319832).

Almost surely, 2^80497693 is an apocalyptic number.

It is an amenable number.

80497693 is a deficient number, since it is larger than the sum of its proper divisors (781635).

80497693 is a wasteful number, since it uses less digits than its factorization.

80497693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781634.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 80497693 is about 8972.0506574584. The cubic root of 80497693 is about 431.7786306534.

The spelling of 80497693 in words is "eighty million, four hundred ninety-seven thousand, six hundred ninety-three".