83679478 has 8 divisors (see below), whose sum is σ = 129568320. Its totient is φ = 40490040.

The previous prime is 83679469. The next prime is 83679481. The reversal of 83679478 is 87497638.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674773 + ... + 674896.

It is an arithmetic number, because the mean of its divisors is an integer number (16196040).

Almost surely, 2^83679478 is an apocalyptic number.

83679478 is a deficient number, since it is larger than the sum of its proper divisors (45888842).

83679478 is a wasteful number, since it uses less digits than its factorization.

83679478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349702.

The product of its digits is 2032128, while the sum is 52.

The square root of 83679478 is about 9147.6487689460. The cubic root of 83679478 is about 437.3941673804.

The spelling of 83679478 in words is "eighty-three million, six hundred seventy-nine thousand, four hundred seventy-eight".