83674379 has 2 divisors, whose sum is σ = 83674380. Its totient is φ = 83674378.

The previous prime is 83674373. The next prime is 83674397. The reversal of 83674379 is 97347638.

It is a happy number.

Together with next prime (83674397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83674379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83674373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41837189 + 41837190.

It is an arithmetic number, because the mean of its divisors is an integer number (41837190).

Almost surely, 2^83674379 is an apocalyptic number.

83674379 is a deficient number, since it is larger than the sum of its proper divisors (1).

83674379 is an equidigital number, since it uses as much as digits as its factorization.

83674379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 47.

The square root of 83674379 is about 9147.3700592028. The cubic root of 83674379 is about 437.3852830111.

The spelling of 83674379 in words is "eighty-three million, six hundred seventy-four thousand, three hundred seventy-nine".