97666044 has 24 divisors (see below), whose sum is σ = 260443008. Its totient is φ = 27904560.

The previous prime is 97666039. The next prime is 97666057. The reversal of 97666044 is 44066679.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 97665987 and 97666005.

It is a congruent number.

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, 581262 + ... + 581429.

It is an arithmetic number, because the mean of its divisors is an integer number (10851792).

Almost surely, 2^97666044 is an apocalyptic number.

It is an amenable number.

97666044 is an abundant number, since it is smaller than the sum of its proper divisors (162776964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97666044 is a wasteful number, since it uses less digits than its factorization.

97666044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162705 (or 1162703 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 97666044 is about 9882.6132171607. The cubic root of 97666044 is about 460.5193315480.

The spelling of 97666044 in words is "ninety-seven million, six hundred sixty-six thousand, forty-four".