194880855 has 16 divisors (see below), whose sum is σ = 335795040. Its totient is φ = 95941248.

The previous prime is 194880827. The next prime is 194880883. The reversal of 194880855 is 558088491.

It is an interprime number because it is at equal distance from previous prime (194880827) and next prime (194880883).

It is not a de Polignac number, because 194880855 - 2¹⁰ = 194879831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499500 + ... + 499889.

It is an arithmetic number, because the mean of its divisors is an integer number (20987190).

Almost surely, 2^194880855 is an apocalyptic number.

194880855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

194880855 is a deficient number, since it is larger than the sum of its proper divisors (140914185).

194880855 is a wasteful number, since it uses less digits than its factorization.

194880855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999410.

The product of its (nonzero) digits is 460800, while the sum is 48.

The square root of 194880855 is about 13959.9733165934. The cubic root of 194880855 is about 579.7708716433.

The spelling of 194880855 in words is "one hundred ninety-four million, eight hundred eighty thousand, eight hundred fifty-five".