80247187745445 has 64 divisors (see below), whose sum is σ = 147155365453824. Its totient is φ = 36580106787840.

The previous prime is 80247187745423. The next prime is 80247187745453. The reversal of 80247187745445 is 54454778174208.

It is not a de Polignac number, because 80247187745445 - 2²⁵ = 80247154191013 is a prime.

It is a super-2 number, since 2×80247187745445² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84593334 + ... + 85536696.

It is an arithmetic number, because the mean of its divisors is an integer number (2299302585216).

Almost surely, 2^{80247187745445} is an apocalyptic number.

It is an amenable number.

80247187745445 is a deficient number, since it is larger than the sum of its proper divisors (66908177708379).

80247187745445 is a wasteful number, since it uses less digits than its factorization.

80247187745445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945682.

The product of its (nonzero) digits is 280985600, while the sum is 66.

The spelling of 80247187745445 in words is "eighty trillion, two hundred forty-seven billion, one hundred eighty-seven million, seven hundred forty-five thousand, four hundred forty-five".