80728610 has 16 divisors (see below), whose sum is σ = 148404096. Its totient is φ = 31604208.

The previous prime is 80728577. The next prime is 80728621. The reversal of 80728610 is 1682708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85412 + ... + 86351.

It is an arithmetic number, because the mean of its divisors is an integer number (9275256).

Almost surely, 2^80728610 is an apocalyptic number.

80728610 is a deficient number, since it is larger than the sum of its proper divisors (67675486).

80728610 is a wasteful number, since it uses less digits than its factorization.

80728610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171817.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 80728610 is about 8984.9101275416. The cubic root of 80728610 is about 432.1911055766.

The spelling of 80728610 in words is "eighty million, seven hundred twenty-eight thousand, six hundred ten".