83494679 has 2 divisors, whose sum is σ = 83494680. Its totient is φ = 83494678.

The previous prime is 83494673. The next prime is 83494717. The reversal of 83494679 is 97649438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83494679 - 2⁸ = 83494423 is a prime.

It is a super-2 number, since 2×83494679² = 13942722842626082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83494673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41747339 + 41747340.

It is an arithmetic number, because the mean of its divisors is an integer number (41747340).

Almost surely, 2^83494679 is an apocalyptic number.

83494679 is a deficient number, since it is larger than the sum of its proper divisors (1).

83494679 is an equidigital number, since it uses as much as digits as its factorization.

83494679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 83494679 is about 9137.5422844439. The cubic root of 83494679 is about 437.0719474772.

The spelling of 83494679 in words is "eighty-three million, four hundred ninety-four thousand, six hundred seventy-nine".