854712637855 has 8 divisors (see below), whose sum is σ = 1025676306864. Its totient is φ = 683756016000.

The previous prime is 854712637853. The next prime is 854712637859. The reversal of 854712637855 is 558736217458.

It is a happy number.

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

It is not a de Polignac number, because 854712637855 - 2¹ = 854712637853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 854712637793 and 854712637802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854712637853) 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, 1491181 + ... + 1983190.

It is an arithmetic number, because the mean of its divisors is an integer number (128209538358).

Almost surely, 2^854712637855 is an apocalyptic number.

854712637855 is a deficient number, since it is larger than the sum of its proper divisors (170963669009).

854712637855 is a wasteful number, since it uses less digits than its factorization.

854712637855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523577.

The product of its digits is 56448000, while the sum is 61.

The spelling of 854712637855 in words is "eight hundred fifty-four billion, seven hundred twelve million, six hundred thirty-seven thousand, eight hundred fifty-five".