354871703866 has 4 divisors (see below), whose sum is σ = 532307555802. Its totient is φ = 177435851932.

The previous prime is 354871703863. The next prime is 354871703873. The reversal of 354871703866 is 668307178453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668307178453 = 623653 ⋅1071601.

It can be written as a sum of positive squares in only one way, i.e., 252682155625 + 102189548241 = 502675^2 + 319671^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 354871703866.

It is not an unprimeable number, because it can be changed into a prime (354871703861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88717925965 + ... + 88717925968.

Almost surely, 2^354871703866 is an apocalyptic number.

354871703866 is a deficient number, since it is larger than the sum of its proper divisors (177435851936).

354871703866 is a wasteful number, since it uses less digits than its factorization.

354871703866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177435851935.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 354871703866 in words is "three hundred fifty-four billion, eight hundred seventy-one million, seven hundred three thousand, eight hundred sixty-six".