855229197 has 8 divisors (see below), whose sum is σ = 1200321760. Its totient is φ = 540144720.

The previous prime is 855229189. The next prime is 855229259. The reversal of 855229197 is 791922558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 855229197 - 2³ = 855229189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855229097) 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, 7501954 + ... + 7502067.

It is an arithmetic number, because the mean of its divisors is an integer number (150040220).

Almost surely, 2^855229197 is an apocalyptic number.

It is an amenable number.

855229197 is a deficient number, since it is larger than the sum of its proper divisors (345092563).

855229197 is a wasteful number, since it uses less digits than its factorization.

855229197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004043.

The product of its digits is 453600, while the sum is 48.

The square root of 855229197 is about 29244.3019578174. The cubic root of 855229197 is about 949.2067975491.

The spelling of 855229197 in words is "eight hundred fifty-five million, two hundred twenty-nine thousand, one hundred ninety-seven".