80363178256 has 45 divisors (see below), whose sum is σ = 157191865509. Its totient is φ = 39801153600.

The previous prime is 80363178241. The next prime is 80363178257. The reversal of 80363178256 is 65287136308.

The square root of 80363178256 is 283484.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31927971856 + 48435206400 = 178684^2 + 220080^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80363178257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 148545346 + ... + 148545886.

Almost surely, 2^80363178256 is an apocalyptic number.

80363178256 is the 283484-th square number.

It is an amenable number.

80363178256 is a deficient number, since it is larger than the sum of its proper divisors (76828687253).

80363178256 is an frugal number, since it uses more digits than its factorization.

80363178256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

Multiplying 80363178256 by its sum of digits (49), we get a square (3937795734544 = 1984388²).

The spelling of 80363178256 in words is "eighty billion, three hundred sixty-three million, one hundred seventy-eight thousand, two hundred fifty-six".