855190495 has 4 divisors (see below), whose sum is σ = 1026228600. Its totient is φ = 684152392.

The previous prime is 855190489. The next prime is 855190519. The reversal of 855190495 is 594091558.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 855190495 - 2³ = 855190487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85519045 + ... + 85519054.

It is an arithmetic number, because the mean of its divisors is an integer number (256557150).

Almost surely, 2^855190495 is an apocalyptic number.

855190495 is a deficient number, since it is larger than the sum of its proper divisors (171038105).

855190495 is a wasteful number, since it uses less digits than its factorization.

855190495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171038104.

The product of its (nonzero) digits is 324000, while the sum is 46.

The square root of 855190495 is about 29243.6402487789. The cubic root of 855190495 is about 949.1924790655.

The spelling of 855190495 in words is "eight hundred fifty-five million, one hundred ninety thousand, four hundred ninety-five".