854836614363865 has 16 divisors (see below), whose sum is σ = 1181578438397952. Its totient is φ = 581558137642944.

The previous prime is 854836614363859. The next prime is 854836614363877. The reversal of 854836614363865 is 568363416638458.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-854836614363865 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 854836614363791 and 854836614363800.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96157095034 + ... + 96157103923.

It is an arithmetic number, because the mean of its divisors is an integer number (73848652399872).

Almost surely, 2^{854836614363865} is an apocalyptic number.

It is an amenable number.

854836614363865 is a deficient number, since it is larger than the sum of its proper divisors (326741824034087).

854836614363865 is a wasteful number, since it uses less digits than its factorization.

854836614363865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192314199096.

The product of its digits is 7166361600, while the sum is 76.

The spelling of 854836614363865 in words is "eight hundred fifty-four trillion, eight hundred thirty-six billion, six hundred fourteen million, three hundred sixty-three thousand, eight hundred sixty-five".