83195407 has 2 divisors, whose sum is σ = 83195408. Its totient is φ = 83195406.

The previous prime is 83195353. The next prime is 83195419. The reversal of 83195407 is 70459138.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83195407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83195507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41597703 + 41597704.

It is an arithmetic number, because the mean of its divisors is an integer number (41597704).

Almost surely, 2^83195407 is an apocalyptic number.

83195407 is a deficient number, since it is larger than the sum of its proper divisors (1).

83195407 is an equidigital number, since it uses as much as digits as its factorization.

83195407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 83195407 is about 9121.1516268506. The cubic root of 83195407 is about 436.5491197953.

The spelling of 83195407 in words is "eighty-three million, one hundred ninety-five thousand, four hundred seven".