80450778307005 has 16 divisors (see below), whose sum is σ = 143023605879360. Its totient is φ = 42907081763664.

The previous prime is 80450778306953. The next prime is 80450778307117. The reversal of 80450778307005 is 50070387705408.

It is not a de Polignac number, because 80450778307005 - 2¹⁴ = 80450778290621 is a prime.

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, 297965845447 + ... + 297965845716.

It is an arithmetic number, because the mean of its divisors is an integer number (8938975367460).

Almost surely, 2^{80450778307005} is an apocalyptic number.

It is an amenable number.

80450778307005 is a deficient number, since it is larger than the sum of its proper divisors (62572827572355).

80450778307005 is a wasteful number, since it uses less digits than its factorization.

80450778307005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595931691177 (or 595931691171 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 54.

The spelling of 80450778307005 in words is "eighty trillion, four hundred fifty billion, seven hundred seventy-eight million, three hundred seven thousand, five".