854401697692 has 24 divisors (see below), whose sum is σ = 1500963083312. Its totient is φ = 425556892800.

The previous prime is 854401697663. The next prime is 854401697711. The reversal of 854401697692 is 296796104458.

It is a happy number.

It is a super-2 number, since 2×854401697692² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 854401697692.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693942 + ... + 2139682.

Almost surely, 2^854401697692 is an apocalyptic number.

It is an amenable number.

854401697692 is a deficient number, since it is larger than the sum of its proper divisors (646561385620).

854401697692 is a wasteful number, since it uses less digits than its factorization.

854401697692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447589 (or 447587 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 854401697692 in words is "eight hundred fifty-four billion, four hundred one million, six hundred ninety-seven thousand, six hundred ninety-two".