80526379 has 2 divisors, whose sum is σ = 80526380. Its totient is φ = 80526378.

The previous prime is 80526367. The next prime is 80526403. The reversal of 80526379 is 97362508.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80526379 is a prime.

It is not a weakly prime, because it can be changed into another prime (80526079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40263189 + 40263190.

It is an arithmetic number, because the mean of its divisors is an integer number (40263190).

Almost surely, 2^80526379 is an apocalyptic number.

80526379 is a deficient number, since it is larger than the sum of its proper divisors (1).

80526379 is an equidigital number, since it uses as much as digits as its factorization.

80526379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 80526379 is about 8973.6491462504. The cubic root of 80526379 is about 431.8299138241.

The spelling of 80526379 in words is "eighty million, five hundred twenty-six thousand, three hundred seventy-nine".