80646484 has 12 divisors (see below), whose sum is σ = 142426900. Its totient is φ = 39953088.

The previous prime is 80646463. The next prime is 80646497. The reversal of 80646484 is 48464608.

It can be written as a sum of positive squares in 2 ways, for example, as 56851600 + 23794884 = 7540^2 + 4878^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92049 + ... + 92920.

Almost surely, 2^80646484 is an apocalyptic number.

It is an amenable number.

80646484 is a deficient number, since it is larger than the sum of its proper divisors (61780416).

80646484 is a wasteful number, since it uses less digits than its factorization.

80646484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185082 (or 185080 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 80646484 is about 8980.3387463948. The cubic root of 80646484 is about 432.0444984455.

The spelling of 80646484 in words is "eighty million, six hundred forty-six thousand, four hundred eighty-four".