80279764 has 6 divisors (see below), whose sum is σ = 140489594. Its totient is φ = 40139880.

The previous prime is 80279761. The next prime is 80279827. The reversal of 80279764 is 46797208.

It can be written as a sum of positive squares in only one way, i.e., 66292164 + 13987600 = 8142^2 + 3740^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80279764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80279761) 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 as a sum of consecutive naturals, namely, 10034967 + ... + 10034974.

Almost surely, 2^80279764 is an apocalyptic number.

It is an amenable number.

80279764 is a deficient number, since it is larger than the sum of its proper divisors (60209830).

80279764 is a wasteful number, since it uses less digits than its factorization.

80279764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20069945 (or 20069943 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 80279764 is about 8959.8975440571. The cubic root of 80279764 is about 431.3886313667.

The spelling of 80279764 in words is "eighty million, two hundred seventy-nine thousand, seven hundred sixty-four".