99278846100 has 288 divisors, whose sum is σ = 372205344000. Its totient is φ = 22692096000.

The previous prime is 99278846077. The next prime is 99278846131. The reversal of 99278846100 is 164887299.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 872500 + ... + 979700.

Almost surely, 2^99278846100 is an apocalyptic number.

99278846100 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99278846100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186102672000).

99278846100 is an abundant number, since it is smaller than the sum of its proper divisors (272926497900).

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

99278846100 is a wasteful number, since it uses less digits than its factorization.

99278846100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107245 (or 107218 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 99278846100 in words is "ninety-nine billion, two hundred seventy-eight million, eight hundred forty-six thousand, one hundred".