854631556154 has 16 divisors (see below), whose sum is σ = 1289890417920. Its totient is φ = 424672554240.

The previous prime is 854631556139. The next prime is 854631556159. The reversal of 854631556154 is 451655136458.

It is a junction number, because it is equal to n+sod(n) for n = 854631556096 and 854631556105.

It is not an unprimeable number, because it can be changed into a prime (854631556159) 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, 734564 + ... + 1499615.

It is an arithmetic number, because the mean of its divisors is an integer number (80618151120).

Almost surely, 2^854631556154 is an apocalyptic number.

854631556154 is a deficient number, since it is larger than the sum of its proper divisors (435258861766).

854631556154 is a wasteful number, since it uses less digits than its factorization.

854631556154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235365.

The product of its digits is 8640000, while the sum is 53.

The spelling of 854631556154 in words is "eight hundred fifty-four billion, six hundred thirty-one million, five hundred fifty-six thousand, one hundred fifty-four".