80645753 has 2 divisors, whose sum is σ = 80645754. Its totient is φ = 80645752.

The previous prime is 80645731. The next prime is 80645759. The reversal of 80645753 is 35754608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69939769 + 10705984 = 8363^2 + 3272^2 .

It is a cyclic number.

It is not a de Polignac number, because 80645753 - 2¹⁶ = 80580217 is a prime.

It is not a weakly prime, because it can be changed into another prime (80645759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40322876 + 40322877.

It is an arithmetic number, because the mean of its divisors is an integer number (40322877).

Almost surely, 2^80645753 is an apocalyptic number.

It is an amenable number.

80645753 is a deficient number, since it is larger than the sum of its proper divisors (1).

80645753 is an equidigital number, since it uses as much as digits as its factorization.

80645753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 80645753 is about 8980.2980462789. The cubic root of 80645753 is about 432.0431930549.

The spelling of 80645753 in words is "eighty million, six hundred forty-five thousand, seven hundred fifty-three".