412977945178 has 4 divisors (see below), whose sum is σ = 619466917770. Its totient is φ = 206488972588.

The previous prime is 412977945173. The next prime is 412977945199. The reversal of 412977945178 is 871549779214.

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

It can be written as a sum of positive squares in only one way, i.e., 409749773689 + 3228171489 = 640117^2 + 56817^2 .

It is not an unprimeable number, because it can be changed into a prime (412977945173) by changing a digit.

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 as a sum of consecutive naturals, namely, 103244486293 + ... + 103244486296.

Almost surely, 2^412977945178 is an apocalyptic number.

412977945178 is a deficient number, since it is larger than the sum of its proper divisors (206488972592).

412977945178 is a wasteful number, since it uses less digits than its factorization.

412977945178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206488972591.

The product of its digits is 35562240, while the sum is 64.

The spelling of 412977945178 in words is "four hundred twelve billion, nine hundred seventy-seven million, nine hundred forty-five thousand, one hundred seventy-eight".