195696780 has 48 divisors (see below), whose sum is σ = 549732960. Its totient is φ = 52016128.

The previous prime is 195696773. The next prime is 195696793. The reversal of 195696780 is 87696591.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13876 + ... + 24164.

It is an arithmetic number, because the mean of its divisors is an integer number (11452770).

Almost surely, 2^195696780 is an apocalyptic number.

195696780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195696780 is an abundant number, since it is smaller than the sum of its proper divisors (354036180).

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

195696780 is a wasteful number, since it uses less digits than its factorization.

195696780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10618 (or 10616 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 195696780 is about 13989.1665227061. The cubic root of 195696780 is about 580.5788711319.

The spelling of 195696780 in words is "one hundred ninety-five million, six hundred ninety-six thousand, seven hundred eighty".