64197111536087 has 2 divisors, whose sum is σ = 64197111536088. Its totient is φ = 64197111536086.

The previous prime is 64197111535967. The next prime is 64197111536137. The reversal of 64197111536087 is 78063511179146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64197111536087 - 2²⁴ = 64197094758871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64197111526087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32098555768043 + 32098555768044.

It is an arithmetic number, because the mean of its divisors is an integer number (32098555768044).

Almost surely, 2^{64197111536087} is an apocalyptic number.

64197111536087 is a deficient number, since it is larger than the sum of its proper divisors (1).

64197111536087 is an equidigital number, since it uses as much as digits as its factorization.

64197111536087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 64197111536087 in words is "sixty-four trillion, one hundred ninety-seven billion, one hundred eleven million, five hundred thirty-six thousand, eighty-seven".