83195033387 has 2 divisors, whose sum is σ = 83195033388. Its totient is φ = 83195033386.

The previous prime is 83195033323. The next prime is 83195033399. The reversal of 83195033387 is 78333059138.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83195033387 - 2⁶ = 83195033323 is a prime.

It is not a weakly prime, because it can be changed into another prime (83195033087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41597516693 + 41597516694.

It is an arithmetic number, because the mean of its divisors is an integer number (41597516694).

Almost surely, 2^83195033387 is an apocalyptic number.

83195033387 is a deficient number, since it is larger than the sum of its proper divisors (1).

83195033387 is an equidigital number, since it uses as much as digits as its factorization.

83195033387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 83195033387 in words is "eighty-three billion, one hundred ninety-five million, thirty-three thousand, three hundred eighty-seven".