83689454 has 8 divisors (see below), whose sum is σ = 125767848. Its totient is φ = 41766840.

The previous prime is 83689423. The next prime is 83689483. The reversal of 83689454 is 45498638.

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

It is a pancake number, because a pancake can be divided into 83689454 parts by 12937 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 83689399 and 83689408.

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, 37592 + ... + 39755.

It is an arithmetic number, because the mean of its divisors is an integer number (15720981).

Almost surely, 2^83689454 is an apocalyptic number.

83689454 is a deficient number, since it is larger than the sum of its proper divisors (42078394).

83689454 is a wasteful number, since it uses less digits than its factorization.

83689454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77890.

The product of its digits is 829440, while the sum is 47.

The square root of 83689454 is about 9148.1940294246. The cubic root of 83689454 is about 437.4115482681.

The spelling of 83689454 in words is "eighty-three million, six hundred eighty-nine thousand, four hundred fifty-four".