60987971537 has 2 divisors, whose sum is σ = 60987971538. Its totient is φ = 60987971536.

The previous prime is 60987971491. The next prime is 60987971543. The reversal of 60987971537 is 73517978906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60160316176 + 827655361 = 245276^2 + 28769^2 .

It is a cyclic number.

It is not a de Polignac number, because 60987971537 - 2²⁰ = 60986922961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60987971537.

It is not a weakly prime, because it can be changed into another prime (60981971537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30493985768 + 30493985769.

It is an arithmetic number, because the mean of its divisors is an integer number (30493985769).

Almost surely, 2^60987971537 is an apocalyptic number.

It is an amenable number.

60987971537 is a deficient number, since it is larger than the sum of its proper divisors (1).

60987971537 is an equidigital number, since it uses as much as digits as its factorization.

60987971537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20003760, while the sum is 62.

The spelling of 60987971537 in words is "sixty billion, nine hundred eighty-seven million, nine hundred seventy-one thousand, five hundred thirty-seven".