99757707132 has 12 divisors (see below), whose sum is σ = 232767983336. Its totient is φ = 33252569040.

The previous prime is 99757707061. The next prime is 99757707149. The reversal of 99757707132 is 23170775799.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 4156571119 + ... + 4156571142.

Almost surely, 2^99757707132 is an apocalyptic number.

It is an amenable number.

99757707132 is an abundant number, since it is smaller than the sum of its proper divisors (133010276204).

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

99757707132 is a wasteful number, since it uses less digits than its factorization.

99757707132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313142268 (or 8313142266 counting only the distinct ones).

The product of its (nonzero) digits is 5834430, while the sum is 57.

The spelling of 99757707132 in words is "ninety-nine billion, seven hundred fifty-seven million, seven hundred seven thousand, one hundred thirty-two".