93088789666 has 8 divisors (see below), whose sum is σ = 139635026460. Its totient is φ = 46543780848.

The previous prime is 93088789649. The next prime is 93088789691. The reversal of 93088789666 is 66698788039.

It can be written as a sum of positive squares in 2 ways, for example, as 88876130641 + 4212659025 = 298121^2 + 64905^2 .

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

It is a super-2 number, since 2×93088789666² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 93088789595 and 93088789604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85521 + ... + 439876.

Almost surely, 2^93088789666 is an apocalyptic number.

93088789666 is a deficient number, since it is larger than the sum of its proper divisors (46546236794).

93088789666 is a wasteful number, since it uses less digits than its factorization.

93088789666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613988.

The product of its (nonzero) digits is 188116992, while the sum is 70.

The spelling of 93088789666 in words is "ninety-three billion, eighty-eight million, seven hundred eighty-nine thousand, six hundred sixty-six".