97750066 has 16 divisors (see below), whose sum is σ = 149013504. Its totient is φ = 48082464.

The previous prime is 97750063. The next prime is 97750091. The reversal of 97750066 is 66005779.

It is not an unprimeable number, because it can be changed into a prime (97750063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88071 + ... + 89173.

It is an arithmetic number, because the mean of its divisors is an integer number (9313344).

Almost surely, 2^97750066 is an apocalyptic number.

97750066 is a deficient number, since it is larger than the sum of its proper divisors (51263438).

97750066 is a wasteful number, since it uses less digits than its factorization.

97750066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 97750066 is about 9886.8633044055. The cubic root of 97750066 is about 460.6513551355.

The spelling of 97750066 in words is "ninety-seven million, seven hundred fifty thousand, sixty-six".