195512870 has 16 divisors (see below), whose sum is σ = 402198048. Its totient is φ = 67032960.

The previous prime is 195512851. The next prime is 195512897. The reversal of 195512870 is 78215591.

195512870 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396451 + ... + 1396590.

It is an arithmetic number, because the mean of its divisors is an integer number (25137378).

Almost surely, 2^195512870 is an apocalyptic number.

195512870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195512870 is an abundant number, since it is smaller than the sum of its proper divisors (206685178).

195512870 is a wasteful number, since it uses less digits than its factorization.

195512870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793055.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 195512870 is about 13982.5916767958. The cubic root of 195512870 is about 580.3969438915.

The spelling of 195512870 in words is "one hundred ninety-five million, five hundred twelve thousand, eight hundred seventy".