80445967061806 has 32 divisors (see below), whose sum is σ = 127797681529728. Its totient is φ = 37847873011200.

The previous prime is 80445967061767. The next prime is 80445967062001. The reversal of 80445967061806 is 60816076954408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3641231296 + ... + 3641253388.

It is an arithmetic number, because the mean of its divisors is an integer number (3993677547804).

Almost surely, 2^{80445967061806} is an apocalyptic number.

80445967061806 is a deficient number, since it is larger than the sum of its proper divisors (47351714467922).

80445967061806 is a wasteful number, since it uses less digits than its factorization.

80445967061806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42876.

The product of its (nonzero) digits is 69672960, while the sum is 64.

The spelling of 80445967061806 in words is "eighty trillion, four hundred forty-five billion, nine hundred sixty-seven million, sixty-one thousand, eight hundred six".