83551379 has 8 divisors (see below), whose sum is σ = 93122640. Its totient is φ = 74497536.

The previous prime is 83551361. The next prime is 83551381. The reversal of 83551379 is 97315538.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-83551379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83551319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129014 + ... + 129659.

It is an arithmetic number, because the mean of its divisors is an integer number (11640330).

Almost surely, 2^83551379 is an apocalyptic number.

83551379 is a deficient number, since it is larger than the sum of its proper divisors (9571261).

83551379 is a wasteful number, since it uses less digits than its factorization.

83551379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258709.

The product of its digits is 113400, while the sum is 41.

The square root of 83551379 is about 9140.6443427146. The cubic root of 83551379 is about 437.1708614525.

The spelling of 83551379 in words is "eighty-three million, five hundred fifty-one thousand, three hundred seventy-nine".