98987177752543 has 2 divisors, whose sum is σ = 98987177752544. Its totient is φ = 98987177752542.

The previous prime is 98987177752517. The next prime is 98987177752733. The reversal of 98987177752543 is 34525777178989.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34525777178989) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98987177752543 is a prime.

It is a super-2 number, since 2×98987177752543² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98987177750543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49493588876271 + 49493588876272.

It is an arithmetic number, because the mean of its divisors is an integer number (49493588876272).

Almost surely, 2^{98987177752543} is an apocalyptic number.

98987177752543 is a deficient number, since it is larger than the sum of its proper divisors (1).

98987177752543 is an equidigital number, since it uses as much as digits as its factorization.

98987177752543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7468070400, while the sum is 82.

The spelling of 98987177752543 in words is "ninety-eight trillion, nine hundred eighty-seven billion, one hundred seventy-seven million, seven hundred fifty-two thousand, five hundred forty-three".