853420010187 has 8 divisors (see below), whose sum is σ = 1138287502336. Its totient is φ = 568749595752.

The previous prime is 853420010147. The next prime is 853420010227. The reversal of 853420010187 is 781010024358.

It is an interprime number because it is at equal distance from previous prime (853420010147) and next prime (853420010227).

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

It is not a de Polignac number, because 853420010187 - 2⁷ = 853420010059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853420010137) 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, 49259323 + ... + 49276644.

It is an arithmetic number, because the mean of its divisors is an integer number (142285937792).

Almost surely, 2^853420010187 is an apocalyptic number.

853420010187 is a deficient number, since it is larger than the sum of its proper divisors (284867492149).

853420010187 is a wasteful number, since it uses less digits than its factorization.

853420010187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98538857.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 853420010187 in words is "eight hundred fifty-three billion, four hundred twenty million, ten thousand, one hundred eighty-seven".