98687757478027 has 2 divisors, whose sum is σ = 98687757478028. Its totient is φ = 98687757478026.

The previous prime is 98687757478001. The next prime is 98687757478127. The reversal of 98687757478027 is 72087475778689.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98687757478027 is a prime.

It is not a weakly prime, because it can be changed into another prime (98687757478127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49343878739013 + 49343878739014.

It is an arithmetic number, because the mean of its divisors is an integer number (49343878739014).

Almost surely, 2^{98687757478027} is an apocalyptic number.

98687757478027 is a deficient number, since it is larger than the sum of its proper divisors (1).

98687757478027 is an equidigital number, since it uses as much as digits as its factorization.

98687757478027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18587197440, while the sum is 85.

The spelling of 98687757478027 in words is "ninety-eight trillion, six hundred eighty-seven billion, seven hundred fifty-seven million, four hundred seventy-eight thousand, twenty-seven".