80709652 has 6 divisors (see below), whose sum is σ = 141241898. Its totient is φ = 40354824.

The previous prime is 80709641. The next prime is 80709683. The reversal of 80709652 is 25690708.

It can be written as a sum of positive squares in only one way, i.e., 53523856 + 27185796 = 7316^2 + 5214^2 .

It is a super-2 number, since 2×80709652² = 13028095851922208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 10088703 + ... + 10088710.

Almost surely, 2^80709652 is an apocalyptic number.

It is an amenable number.

80709652 is a deficient number, since it is larger than the sum of its proper divisors (60532246).

80709652 is a wasteful number, since it uses less digits than its factorization.

80709652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20177417 (or 20177415 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 80709652 is about 8983.8550745212. The cubic root of 80709652 is about 432.1572715556.

The spelling of 80709652 in words is "eighty million, seven hundred nine thousand, six hundred fifty-two".