80769527 has 2 divisors, whose sum is σ = 80769528. Its totient is φ = 80769526.

The previous prime is 80769511. The next prime is 80769569. The reversal of 80769527 is 72596708.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80769527 - 2⁴ = 80769511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80069527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40384763 + 40384764.

It is an arithmetic number, because the mean of its divisors is an integer number (40384764).

Almost surely, 2^80769527 is an apocalyptic number.

80769527 is a deficient number, since it is larger than the sum of its proper divisors (1).

80769527 is an equidigital number, since it uses as much as digits as its factorization.

80769527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 80769527 is about 8987.1868234726. The cubic root of 80769527 is about 432.2641114028.

The spelling of 80769527 in words is "eighty million, seven hundred sixty-nine thousand, five hundred twenty-seven".