97474899866 has 8 divisors (see below), whose sum is σ = 147855185460. Its totient is φ = 48189838048.

The previous prime is 97474899811. The next prime is 97474899869. The reversal of 97474899866 is 66899847479.

It can be written as a sum of positive squares in 2 ways, for example, as 93103706641 + 4371193225 = 305129^2 + 66115^2 .

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

It is a super-2 number, since 2×97474899866² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97474899869) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 273805721 + ... + 273806076.

Almost surely, 2^97474899866 is an apocalyptic number.

97474899866 is a deficient number, since it is larger than the sum of its proper divisors (50380285594).

97474899866 is a wasteful number, since it uses less digits than its factorization.

97474899866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547611888.

The product of its digits is 1316818944, while the sum is 77.

The spelling of 97474899866 in words is "ninety-seven billion, four hundred seventy-four million, eight hundred ninety-nine thousand, eight hundred sixty-six".