98108976877 has 2 divisors, whose sum is σ = 98108976878. Its totient is φ = 98108976876.

The previous prime is 98108976839. The next prime is 98108976919. The reversal of 98108976877 is 77867980189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97203027076 + 905949801 = 311774^2 + 30099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98108976877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98108976817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49054488438 + 49054488439.

It is an arithmetic number, because the mean of its divisors is an integer number (49054488439).

Almost surely, 2^98108976877 is an apocalyptic number.

It is an amenable number.

98108976877 is a deficient number, since it is larger than the sum of its proper divisors (1).

98108976877 is an equidigital number, since it uses as much as digits as its factorization.

98108976877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85349376, while the sum is 70.

The spelling of 98108976877 in words is "ninety-eight billion, one hundred eight million, nine hundred seventy-six thousand, eight hundred seventy-seven".