80018174778258 has 8 divisors (see below), whose sum is σ = 160036349556528. Its totient is φ = 26672724926084.

The previous prime is 80018174778221. The next prime is 80018174778293. The reversal of 80018174778258 is 85287747181008.

It is a sphenic number, since it is the product of 3 distinct primes.

80018174778258 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6668181231516 + ... + 6668181231527.

It is an arithmetic number, because the mean of its divisors is an integer number (20004543694566).

Almost surely, 2^{80018174778258} is an apocalyptic number.

80018174778258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80018174778258 is a wasteful number, since it uses less digits than its factorization.

80018174778258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13336362463048.

The product of its (nonzero) digits is 56197120, while the sum is 66.

The spelling of 80018174778258 in words is "eighty trillion, eighteen billion, one hundred seventy-four million, seven hundred seventy-eight thousand, two hundred fifty-eight".