73889900000 has 144 divisors (see below), whose sum is σ = 207804012192. Its totient is φ = 25333440000.

The previous prime is 73889899969. The next prime is 73889900009. The reversal of 73889900000 is 998837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73889900009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 647222 + ... + 752778.

It is an arithmetic number, because the mean of its divisors is an integer number (1443083418).

Almost surely, 2^73889900000 is an apocalyptic number.

73889900000 is a gapful number since it is divisible by the number (70) 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 73889900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103902006096).

73889900000 is an abundant number, since it is smaller than the sum of its proper divisors (133914112192).

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

73889900000 is an equidigital number, since it uses as much as digits as its factorization.

73889900000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105599 (or 105571 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 73889900000 in words is "seventy-three billion, eight hundred eighty-nine million, nine hundred thousand".