80257673 has 4 divisors (see below), whose sum is σ = 80376900. Its totient is φ = 80138448.

The previous prime is 80257643. The next prime is 80257711. The reversal of 80257673 is 37675208.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78996544 + 1261129 = 8888^2 + 1123^2 .

It is a cyclic number.

It is not a de Polignac number, because 80257673 - 2⁶ = 80257609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80257643) 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, 58598 + ... + 59951.

It is an arithmetic number, because the mean of its divisors is an integer number (20094225).

Almost surely, 2^80257673 is an apocalyptic number.

It is an amenable number.

80257673 is a deficient number, since it is larger than the sum of its proper divisors (119227).

80257673 is a wasteful number, since it uses less digits than its factorization.

80257673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119226.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 80257673 is about 8958.6646884455. The cubic root of 80257673 is about 431.3490585858.

The spelling of 80257673 in words is "eighty million, two hundred fifty-seven thousand, six hundred seventy-three".