97705556 has 24 divisors (see below), whose sum is σ = 185218824. Its totient is φ = 44830080.

The previous prime is 97705549. The next prime is 97705561. The reversal of 97705556 is 65550779.

It can be written as a sum of positive squares in 4 ways, for example, as 13690000 + 84015556 = 3700^2 + 9166^2 .

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, 3566 + ... + 14426.

It is an arithmetic number, because the mean of its divisors is an integer number (7717451).

Almost surely, 2^97705556 is an apocalyptic number.

It is an amenable number.

97705556 is a deficient number, since it is larger than the sum of its proper divisors (87513268).

97705556 is a wasteful number, since it uses less digits than its factorization.

97705556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051 (or 11049 counting only the distinct ones).

The product of its (nonzero) digits is 330750, while the sum is 44.

The square root of 97705556 is about 9884.6120814122. The cubic root of 97705556 is about 460.5814260960.

The spelling of 97705556 in words is "ninety-seven million, seven hundred five thousand, five hundred fifty-six".