83219707 has 2 divisors, whose sum is σ = 83219708. Its totient is φ = 83219706.

The previous prime is 83219687. The next prime is 83219711. The reversal of 83219707 is 70791238.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83219707 - 2⁷ = 83219579 is a prime.

It is not a weakly prime, because it can be changed into another prime (83219737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41609853 + 41609854.

It is an arithmetic number, because the mean of its divisors is an integer number (41609854).

Almost surely, 2^83219707 is an apocalyptic number.

83219707 is a deficient number, since it is larger than the sum of its proper divisors (1).

83219707 is an equidigital number, since it uses as much as digits as its factorization.

83219707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 83219707 is about 9122.4835982314. The cubic root of 83219707 is about 436.5916185796.

The spelling of 83219707 in words is "eighty-three million, two hundred nineteen thousand, seven hundred seven".