80178738273 has 16 divisors (see below), whose sum is σ = 125770570560. Its totient is φ = 50308227648.

The previous prime is 80178738259. The next prime is 80178738287. The reversal of 80178738273 is 37283787108.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80178738259) and next prime (80178738287).

It is not a de Polignac number, because 80178738273 - 2⁹ = 80178737761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80178738173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87340215 + ... + 87341132.

It is an arithmetic number, because the mean of its divisors is an integer number (7860660660).

Almost surely, 2^80178738273 is an apocalyptic number.

It is an amenable number.

80178738273 is a deficient number, since it is larger than the sum of its proper divisors (45591832287).

80178738273 is a wasteful number, since it uses less digits than its factorization.

80178738273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174681373 (or 174681367 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The spelling of 80178738273 in words is "eighty billion, one hundred seventy-eight million, seven hundred thirty-eight thousand, two hundred seventy-three".