83187550884037 has 2 divisors, whose sum is σ = 83187550884038. Its totient is φ = 83187550884036.

The previous prime is 83187550883951. The next prime is 83187550884043. The reversal of 83187550884037 is 73048805578138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77427786081636 + 5759764802401 = 8799306^2 + 2399951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83187550884037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83187550884937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41593775442018 + 41593775442019.

It is an arithmetic number, because the mean of its divisors is an integer number (41593775442019).

Almost surely, 2^{83187550884037} is an apocalyptic number.

It is an amenable number.

83187550884037 is a deficient number, since it is larger than the sum of its proper divisors (1).

83187550884037 is an equidigital number, since it uses as much as digits as its factorization.

83187550884037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180633600, while the sum is 67.

The spelling of 83187550884037 in words is "eighty-three trillion, one hundred eighty-seven billion, five hundred fifty million, eight hundred eighty-four thousand, thirty-seven".