853887999999 has 8 divisors (see below), whose sum is σ = 1151309663280. Its totient is φ = 562862501696.

The previous prime is 853887999953. The next prime is 853888000051. The reversal of 853887999999 is 999999788358.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 853887999999 - 2²¹ = 853885902847 is a prime.

853887999999 is a modest number, since divided by 999999 gives 853887 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853887999919) 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, 1599040932 + ... + 1599041465.

It is an arithmetic number, because the mean of its divisors is an integer number (143913707910).

Almost surely, 2^853887999999 is an apocalyptic number.

853887999999 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

853887999999 is a deficient number, since it is larger than the sum of its proper divisors (297421663281).

853887999999 is a wasteful number, since it uses less digits than its factorization.

853887999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198082489.

The product of its digits is 28570268160, while the sum is 93.

The spelling of 853887999999 in words is "eight hundred fifty-three billion, eight hundred eighty-seven million, nine hundred ninety-nine thousand, nine hundred ninety-nine".