98542264078777 has 2 divisors, whose sum is σ = 98542264078778. Its totient is φ = 98542264078776.

The previous prime is 98542264078751. The next prime is 98542264078793. The reversal of 98542264078777 is 77787046224589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98536970643241 + 5293435536 = 9926579^2 + 72756^2 .

It is a cyclic number.

It is not a de Polignac number, because 98542264078777 - 2³⁵ = 98507904340409 is a prime.

It is not a weakly prime, because it can be changed into another prime (98542264078277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49271132039388 + 49271132039389.

It is an arithmetic number, because the mean of its divisors is an integer number (49271132039389).

Almost surely, 2^{98542264078777} is an apocalyptic number.

It is an amenable number.

98542264078777 is a deficient number, since it is larger than the sum of its proper divisors (1).

98542264078777 is an equidigital number, since it uses as much as digits as its factorization.

98542264078777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2655313920, while the sum is 76.

The spelling of 98542264078777 in words is "ninety-eight trillion, five hundred forty-two billion, two hundred sixty-four million, seventy-eight thousand, seven hundred seventy-seven".