99732255805 has 128 divisors (see below), whose sum is σ = 164030791680. Its totient is φ = 56412702720.

The previous prime is 99732255797. The next prime is 99732255823. The reversal of 99732255805 is 50855223799.

It is a happy number.

99732255805 is a nontrivial binomial coefficient, being equal to C(446615, 2).

It is not a de Polignac number, because 99732255805 - 2³ = 99732255797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14511520 + ... + 14518390.

It is an arithmetic number, because the mean of its divisors is an integer number (1281490560).

Almost surely, 2^99732255805 is an apocalyptic number.

99732255805 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

99732255805 is the 446614-th triangular number.

99732255805 is the 148872-nd centered nonagonal number.

It is an amenable number.

99732255805 is a deficient number, since it is larger than the sum of its proper divisors (64298535875).

99732255805 is a wasteful number, since it uses less digits than its factorization.

99732255805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 99732255805 in words is "ninety-nine billion, seven hundred thirty-two million, two hundred fifty-five thousand, eight hundred five".