80920064 has 20 divisors (see below), whose sum is σ = 161683104. Its totient is φ = 40459776.

The previous prime is 80920061. The next prime is 80920079. The reversal of 80920064 is 46002908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80920061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78512 + ... + 79535.

Almost surely, 2^80920064 is an apocalyptic number.

It is an amenable number.

80920064 is a deficient number, since it is larger than the sum of its proper divisors (80763040).

80920064 is an equidigital number, since it uses as much as digits as its factorization.

80920064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158065 (or 158049 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 80920064 is about 8995.5580149316. The cubic root of 80920064 is about 432.5324937998.

The spelling of 80920064 in words is "eighty million, nine hundred twenty thousand, sixty-four".