80402996 has 12 divisors (see below), whose sum is σ = 148982148. Its totient is φ = 37836672.

The previous prime is 80402957. The next prime is 80402999. The reversal of 80402996 is 69920408.

It can be written as a sum of positive squares in 2 ways, for example, as 34975396 + 45427600 = 5914^2 + 6740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80402999) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 591131 + ... + 591266.

It is an arithmetic number, because the mean of its divisors is an integer number (12415179).

Almost surely, 2^80402996 is an apocalyptic number.

It is an amenable number.

80402996 is a deficient number, since it is larger than the sum of its proper divisors (68579152).

80402996 is a wasteful number, since it uses less digits than its factorization.

80402996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182418 (or 1182416 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 80402996 is about 8966.7717713790. The cubic root of 80402996 is about 431.6092502920.

The spelling of 80402996 in words is "eighty million, four hundred two thousand, nine hundred ninety-six".