83074979 has 8 divisors (see below), whose sum is σ = 91648032. Its totient is φ = 74813760.

The previous prime is 83074967. The next prime is 83074987. The reversal of 83074979 is 97947038.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83074979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83074379) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 77399 + ... + 78464.

It is an arithmetic number, because the mean of its divisors is an integer number (11456004).

Almost surely, 2^83074979 is an apocalyptic number.

83074979 is a deficient number, since it is larger than the sum of its proper divisors (8573053).

83074979 is a wasteful number, since it uses less digits than its factorization.

83074979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155917.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 83074979 is about 9114.5476574540. The cubic root of 83074979 is about 436.3383784952.

The spelling of 83074979 in words is "eighty-three million, seventy-four thousand, nine hundred seventy-nine".