97766553132 has 18 divisors (see below), whose sum is σ = 247132120508. Its totient is φ = 32588851032.

The previous prime is 97766553127. The next prime is 97766553173. The reversal of 97766553132 is 23135566779.

97766553132 is a `hidden beast` number, since 9 + 7 + 76 + 6 + 5 + 531 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×97766553132² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1357868758 + ... + 1357868829.

Almost surely, 2^97766553132 is an apocalyptic number.

It is an amenable number.

97766553132 is an abundant number, since it is smaller than the sum of its proper divisors (149365567376).

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

97766553132 is a wasteful number, since it uses less digits than its factorization.

97766553132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715737597 (or 2715737592 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 54.

The spelling of 97766553132 in words is "ninety-seven billion, seven hundred sixty-six million, five hundred fifty-three thousand, one hundred thirty-two".