192878419932 has 144 divisors (see below), whose sum is σ = 536927698944. Its totient is φ = 57894480000.

The previous prime is 192878419927. The next prime is 192878420107. The reversal of 192878419932 is 239914878291.

It is a self number, because there is not a number n which added to its sum of digits gives 192878419932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35251957 + ... + 35257427.

It is an arithmetic number, because the mean of its divisors is an integer number (3728664576).

Almost surely, 2^192878419932 is an apocalyptic number.

192878419932 is a gapful number since it is divisible by the number (12) 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 192878419932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268463849472).

192878419932 is an abundant number, since it is smaller than the sum of its proper divisors (344049279012).

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

192878419932 is a wasteful number, since it uses less digits than its factorization.

192878419932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320 (or 6315 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The spelling of 192878419932 in words is "one hundred ninety-two billion, eight hundred seventy-eight million, four hundred nineteen thousand, nine hundred thirty-two".