99273378060 has 288 divisors, whose sum is σ = 316681747200. Its totient is φ = 26102539008.

The previous prime is 99273378049. The next prime is 99273378079. The reversal of 99273378060 is 6087337299.

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

It is a junction number, because it is equal to n+sod(n) for n = 99273377988 and 99273378006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 181486707 + ... + 181487253.

It is an arithmetic number, because the mean of its divisors is an integer number (1099589400).

Almost surely, 2^99273378060 is an apocalyptic number.

99273378060 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 99273378060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158340873600).

99273378060 is an abundant number, since it is smaller than the sum of its proper divisors (217408369140).

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

99273378060 is a wasteful number, since it uses less digits than its factorization.

99273378060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 99273378060 in words is "ninety-nine billion, two hundred seventy-three million, three hundred seventy-eight thousand, sixty".