80688057 has 8 divisors (see below), whose sum is σ = 107627520. Its totient is φ = 53770320.

The previous prime is 80688043. The next prime is 80688061. The reversal of 80688057 is 75088608.

It is a happy number.

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

It is not a de Polignac number, because 80688057 - 2¹² = 80683961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80688007) 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, 7944 + ... + 14982.

It is an arithmetic number, because the mean of its divisors is an integer number (13453440).

Almost surely, 2^80688057 is an apocalyptic number.

It is an amenable number.

80688057 is a deficient number, since it is larger than the sum of its proper divisors (26939463).

80688057 is a wasteful number, since it uses less digits than its factorization.

80688057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10863.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 80688057 is about 8982.6531158673. The cubic root of 80688057 is about 432.1187248700.

The spelling of 80688057 in words is "eighty million, six hundred eighty-eight thousand, fifty-seven".