83109707 has 2 divisors, whose sum is σ = 83109708. Its totient is φ = 83109706.

The previous prime is 83109673. The next prime is 83109727. The reversal of 83109707 is 70790138.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83109707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83109727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41554853 + 41554854.

It is an arithmetic number, because the mean of its divisors is an integer number (41554854).

Almost surely, 2^83109707 is an apocalyptic number.

83109707 is a deficient number, since it is larger than the sum of its proper divisors (1).

83109707 is an equidigital number, since it uses as much as digits as its factorization.

83109707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 83109707 is about 9116.4525447128. The cubic root of 83109707 is about 436.3991711605.

The spelling of 83109707 in words is "eighty-three million, one hundred nine thousand, seven hundred seven".