854154077236668 has 144 divisors (see below), whose sum is σ = 2335996520466336. Its totient is φ = 261596787148800.

The previous prime is 854154077236651. The next prime is 854154077236673. The reversal of 854154077236668 is 866632770451458.

It is a junction number, because it is equal to n+sod(n) for n = 854154077236596 and 854154077236605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 309510696 + ... + 312258192.

It is an arithmetic number, because the mean of its divisors is an integer number (16222198058794).

Almost surely, 2^{854154077236668} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 854154077236668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167998260233168).

854154077236668 is an abundant number, since it is smaller than the sum of its proper divisors (1481842443229668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

854154077236668 is a wasteful number, since it uses less digits than its factorization.

854154077236668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750604 (or 2750599 counting only the distinct ones).

The product of its (nonzero) digits is 1625702400, while the sum is 72.

The spelling of 854154077236668 in words is "eight hundred fifty-four trillion, one hundred fifty-four billion, seventy-seven million, two hundred thirty-six thousand, six hundred sixty-eight".