80912527 has 2 divisors, whose sum is σ = 80912528. Its totient is φ = 80912526.

The previous prime is 80912479. The next prime is 80912549. The reversal of 80912527 is 72521908.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80912527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80912492 and 80912501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80912567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40456263 + 40456264.

It is an arithmetic number, because the mean of its divisors is an integer number (40456264).

Almost surely, 2^80912527 is an apocalyptic number.

80912527 is a deficient number, since it is larger than the sum of its proper divisors (1).

80912527 is an equidigital number, since it uses as much as digits as its factorization.

80912527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 80912527 is about 8995.1390761900. The cubic root of 80912527 is about 432.5190645032.

The spelling of 80912527 in words is "eighty million, nine hundred twelve thousand, five hundred twenty-seven".