87137005100437 has 2 divisors, whose sum is σ = 87137005100438. Its totient is φ = 87137005100436.

The previous prime is 87137005100429. The next prime is 87137005100441. The reversal of 87137005100437 is 73400150073178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66892098780081 + 20244906320356 = 8178759^2 + 4499434^2 .

It is a cyclic number.

It is not a de Polignac number, because 87137005100437 - 2³ = 87137005100429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87137005100417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43568502550218 + 43568502550219.

It is an arithmetic number, because the mean of its divisors is an integer number (43568502550219).

Almost surely, 2^{87137005100437} is an apocalyptic number.

It is an amenable number.

87137005100437 is a deficient number, since it is larger than the sum of its proper divisors (1).

87137005100437 is an equidigital number, since it uses as much as digits as its factorization.

87137005100437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 87137005100437 in words is "eighty-seven trillion, one hundred thirty-seven billion, five million, one hundred thousand, four hundred thirty-seven".