8542855 has 4 divisors (see below), whose sum is σ = 10251432. Its totient is φ = 6834280.

The previous prime is 8542847. The next prime is 8542873. The reversal of 8542855 is 5582458.

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

It is not a de Polignac number, because 8542855 - 2³ = 8542847 is a prime.

It is a Duffinian number.

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, 854281 + ... + 854290.

It is an arithmetic number, because the mean of its divisors is an integer number (2562858).

Almost surely, 2^8542855 is an apocalyptic number.

8542855 is a deficient number, since it is larger than the sum of its proper divisors (1708577).

8542855 is a wasteful number, since it uses less digits than its factorization.

8542855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708576.

The product of its digits is 64000, while the sum is 37.

The square root of 8542855 is about 2922.8162788653. The cubic root of 8542855 is about 204.4251593756.

The spelling of 8542855 in words is "eight million, five hundred forty-two thousand, eight hundred fifty-five".