273997327078 has 4 divisors (see below), whose sum is σ = 410995990620. Its totient is φ = 136998663538.

The previous prime is 273997327027. The next prime is 273997327103. The reversal of 273997327078 is 870723799372.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68499331768 + ... + 68499331771.

It is an arithmetic number, because the mean of its divisors is an integer number (102748997655).

Almost surely, 2^273997327078 is an apocalyptic number.

273997327078 is a deficient number, since it is larger than the sum of its proper divisors (136998663542).

273997327078 is a wasteful number, since it uses less digits than its factorization.

273997327078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136998663541.

The product of its (nonzero) digits is 56010528, while the sum is 64.

The spelling of 273997327078 in words is "two hundred seventy-three billion, nine hundred ninety-seven million, three hundred twenty-seven thousand, seventy-eight".