83427458 has 4 divisors (see below), whose sum is σ = 125141190. Its totient is φ = 41713728.

The previous prime is 83427457. The next prime is 83427467. The reversal of 83427458 is 85472438.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85472438 = 2 ⋅42736219.

It can be written as a sum of positive squares in only one way, i.e., 83046769 + 380689 = 9113^2 + 617^2 .

It is not an unprimeable number, because it can be changed into a prime (83427457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20856863 + ... + 20856866.

Almost surely, 2^83427458 is an apocalyptic number.

83427458 is a deficient number, since it is larger than the sum of its proper divisors (41713732).

83427458 is a wasteful number, since it uses less digits than its factorization.

83427458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41713731.

The product of its digits is 215040, while the sum is 41.

The square root of 83427458 is about 9133.8632571328. The cubic root of 83427458 is about 436.9546214315.

The spelling of 83427458 in words is "eighty-three million, four hundred twenty-seven thousand, four hundred fifty-eight".