196779960 has 192 divisors, whose sum is σ = 725306400. Its totient is φ = 45868032.

The previous prime is 196779959. The next prime is 196779967. The reversal of 196779960 is 69977691.

It is a junction number, because it is equal to n+sod(n) for n = 196779897 and 196779906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196779967) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87814 + ... + 90026.

Almost surely, 2^196779960 is an apocalyptic number.

196779960 is a gapful number since it is divisible by the number (10) 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 196779960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362653200).

196779960 is an abundant number, since it is smaller than the sum of its proper divisors (528526440).

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

196779960 is a wasteful number, since it uses less digits than its factorization.

196779960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2255 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The square root of 196779960 is about 14027.8280571156. The cubic root of 196779960 is about 581.6480672463.

The spelling of 196779960 in words is "one hundred ninety-six million, seven hundred seventy-nine thousand, nine hundred sixty".