80496457 has 4 divisors (see below), whose sum is σ = 81278080. Its totient is φ = 79714836.

The previous prime is 80496433. The next prime is 80496461. The reversal of 80496457 is 75469408.

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 80496457 - 2⁷ = 80496329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80496467) 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, 390657 + ... + 390862.

It is an arithmetic number, because the mean of its divisors is an integer number (20319520).

Almost surely, 2^80496457 is an apocalyptic number.

It is an amenable number.

80496457 is a deficient number, since it is larger than the sum of its proper divisors (781623).

80496457 is a wasteful number, since it uses less digits than its factorization.

80496457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781622.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 80496457 is about 8971.9817766199. The cubic root of 80496457 is about 431.7764207303.

The spelling of 80496457 in words is "eighty million, four hundred ninety-six thousand, four hundred fifty-seven".