80944419225587 has 2 divisors, whose sum is σ = 80944419225588. Its totient is φ = 80944419225586.

The previous prime is 80944419225583. The next prime is 80944419225613. The reversal of 80944419225587 is 78552291444908.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80944419225587 - 2² = 80944419225583 is a prime.

It is not a weakly prime, because it can be changed into another prime (80944419225583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40472209612793 + 40472209612794.

It is an arithmetic number, because the mean of its divisors is an integer number (40472209612794).

Almost surely, 2^{80944419225587} is an apocalyptic number.

80944419225587 is a deficient number, since it is larger than the sum of its proper divisors (1).

80944419225587 is an equidigital number, since it uses as much as digits as its factorization.

80944419225587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 232243200, while the sum is 68.

The spelling of 80944419225587 in words is "eighty trillion, nine hundred forty-four billion, four hundred nineteen million, two hundred twenty-five thousand, five hundred eighty-seven".