75278045966 has 8 divisors (see below), whose sum is σ = 112976100864. Its totient is φ = 37619345680.

The previous prime is 75278045959. The next prime is 75278045993. The reversal of 75278045966 is 66954087257.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9833870 + ... + 9841521.

It is an arithmetic number, because the mean of its divisors is an integer number (14122012608).

Almost surely, 2^75278045966 is an apocalyptic number.

75278045966 is a deficient number, since it is larger than the sum of its proper divisors (37698054898).

75278045966 is a wasteful number, since it uses less digits than its factorization.

75278045966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19677306.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 75278045966 in words is "seventy-five billion, two hundred seventy-eight million, forty-five thousand, nine hundred sixty-six".