80273430520278 has 8 divisors (see below), whose sum is σ = 160546861040568. Its totient is φ = 26757810173424.

The previous prime is 80273430520277. The next prime is 80273430520303. The reversal of 80273430520278 is 87202503437208.

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

80273430520278 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 80273430520278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80273430520277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6689452543351 + ... + 6689452543362.

It is an arithmetic number, because the mean of its divisors is an integer number (20068357630071).

Almost surely, 2^{80273430520278} is an apocalyptic number.

80273430520278 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.

80273430520278 is a wasteful number, since it uses less digits than its factorization.

80273430520278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13378905086718.

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 80273430520278 in words is "eighty trillion, two hundred seventy-three billion, four hundred thirty million, five hundred twenty thousand, two hundred seventy-eight".