673189878120 has 128 divisors (see below), whose sum is σ = 2135564282880. Its totient is φ = 169489152000.

The previous prime is 673189878113. The next prime is 673189878133. The reversal of 673189878120 is 21878981376.

It is a super-2 number, since 2×673189878120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2054371 + ... + 2359410.

It is an arithmetic number, because the mean of its divisors is an integer number (16684095960).

Almost surely, 2^673189878120 is an apocalyptic number.

673189878120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

673189878120 is an abundant number, since it is smaller than the sum of its proper divisors (1462374404760).

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

673189878120 is a wasteful number, since it uses less digits than its factorization.

673189878120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413867 (or 4413863 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 60.

The spelling of 673189878120 in words is "six hundred seventy-three billion, one hundred eighty-nine million, eight hundred seventy-eight thousand, one hundred twenty".