47393597866 has 16 divisors (see below), whose sum is σ = 75280845960. Its totient is φ = 22300303360.

The previous prime is 47393597803. The next prime is 47393597879. The reversal of 47393597866 is 66879539374.

It can be written as a sum of positive squares in 4 ways, for example, as 42424052841 + 4969545025 = 205971^2 + 70495^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237930 + ... + 389098.

Almost surely, 2^47393597866 is an apocalyptic number.

47393597866 is a deficient number, since it is larger than the sum of its proper divisors (27887248094).

47393597866 is a wasteful number, since it uses less digits than its factorization.

47393597866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160409.

The product of its digits is 205752960, while the sum is 67.

The spelling of 47393597866 in words is "forty-seven billion, three hundred ninety-three million, five hundred ninety-seven thousand, eight hundred sixty-six".