80779573 has 8 divisors (see below), whose sum is σ = 93167360. Its totient is φ = 68603760.

The previous prime is 80779549. The next prime is 80779577. The reversal of 80779573 is 37597708.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 80779573 - 2¹⁷ = 80648501 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 (80779577) 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, 52173 + ... + 53698.

It is an arithmetic number, because the mean of its divisors is an integer number (11645920).

Almost surely, 2^80779573 is an apocalyptic number.

It is an amenable number.

80779573 is a deficient number, since it is larger than the sum of its proper divisors (12387787).

80779573 is a wasteful number, since it uses less digits than its factorization.

80779573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105987.

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 80779573 is about 8987.7457129138. The cubic root of 80779573 is about 432.2820321269.

The spelling of 80779573 in words is "eighty million, seven hundred seventy-nine thousand, five hundred seventy-three".