195678698880 has 128 divisors (see below), whose sum is σ = 712829594880. Its totient is φ = 44726556672.

The previous prime is 195678698827. The next prime is 195678698881. The reversal of 195678698880 is 88896876591.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195678698881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7266274 + ... + 7293153.

It is an arithmetic number, because the mean of its divisors is an integer number (5568981210).

Almost surely, 2^195678698880 is an apocalyptic number.

195678698880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195678698880 is an abundant number, since it is smaller than the sum of its proper divisors (517150896000).

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

195678698880 is a wasteful number, since it uses less digits than its factorization.

195678698880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14559456 (or 14559444 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 75.

The spelling of 195678698880 in words is "one hundred ninety-five billion, six hundred seventy-eight million, six hundred ninety-eight thousand, eight hundred eighty".