80527619 has 2 divisors, whose sum is σ = 80527620. Its totient is φ = 80527618.

The previous prime is 80527613. The next prime is 80527631. The reversal of 80527619 is 91672508.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80527619 is a prime.

It is a super-2 number, since 2×80527619² = 12969394843618322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80527613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40263809 + 40263810.

It is an arithmetic number, because the mean of its divisors is an integer number (40263810).

Almost surely, 2^80527619 is an apocalyptic number.

80527619 is a deficient number, since it is larger than the sum of its proper divisors (1).

80527619 is an equidigital number, since it uses as much as digits as its factorization.

80527619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 80527619 is about 8973.7182371635. The cubic root of 80527619 is about 431.8321303497.

The spelling of 80527619 in words is "eighty million, five hundred twenty-seven thousand, six hundred nineteen".