108877091797 has 2 divisors, whose sum is σ = 108877091798. Its totient is φ = 108877091796.

The previous prime is 108877091773. The next prime is 108877091809. The reversal of 108877091797 is 797190778801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96078921156 + 12798170641 = 309966^2 + 113129^2 .

It is a cyclic number.

It is not a de Polignac number, because 108877091797 - 2³¹ = 106729608149 is a prime.

It is a super-2 number, since 2×108877091797² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108877091767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54438545898 + 54438545899.

It is an arithmetic number, because the mean of its divisors is an integer number (54438545899).

Almost surely, 2^108877091797 is an apocalyptic number.

It is an amenable number.

108877091797 is a deficient number, since it is larger than the sum of its proper divisors (1).

108877091797 is an equidigital number, since it uses as much as digits as its factorization.

108877091797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12446784, while the sum is 64.

The spelling of 108877091797 in words is "one hundred eight billion, eight hundred seventy-seven million, ninety-one thousand, seven hundred ninety-seven".