853697454 has 8 divisors (see below), whose sum is σ = 1707394920. Its totient is φ = 284565816.

The previous prime is 853697441. The next prime is 853697477. The reversal of 853697454 is 454796358.

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

853697454 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 853697397 and 853697406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71141449 + ... + 71141460.

It is an arithmetic number, because the mean of its divisors is an integer number (213424365).

Almost surely, 2^853697454 is an apocalyptic number.

853697454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

853697454 is a wasteful number, since it uses less digits than its factorization.

853697454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142282914.

The product of its digits is 3628800, while the sum is 51.

The square root of 853697454 is about 29218.1014783644. The cubic root of 853697454 is about 948.6397722590.

The spelling of 853697454 in words is "eight hundred fifty-three million, six hundred ninety-seven thousand, four hundred fifty-four".