195208914678 has 16 divisors (see below), whose sum is σ = 413383584240. Its totient is φ = 61242012416.

The previous prime is 195208914673. The next prime is 195208914679. The reversal of 195208914678 is 876419802591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195208914673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956906343 + ... + 956906546.

It is an arithmetic number, because the mean of its divisors is an integer number (25836474015).

Almost surely, 2^195208914678 is an apocalyptic number.

195208914678 is an abundant number, since it is smaller than the sum of its proper divisors (218174669562).

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

195208914678 is a wasteful number, since it uses less digits than its factorization.

195208914678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913812911.

The product of its (nonzero) digits is 8709120, while the sum is 60.

The spelling of 195208914678 in words is "one hundred ninety-five billion, two hundred eight million, nine hundred fourteen thousand, six hundred seventy-eight".