108977551 has 2 divisors, whose sum is σ = 108977552. Its totient is φ = 108977550.

The previous prime is 108977513. The next prime is 108977567. The reversal of 108977551 is 155779801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108977551 - 2¹⁹ = 108453263 is a prime.

It is a super-2 number, since 2×108977551² = 23752213243915202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108977498 and 108977507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108975551) 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, 54488775 + 54488776.

It is an arithmetic number, because the mean of its divisors is an integer number (54488776).

Almost surely, 2^108977551 is an apocalyptic number.

108977551 is a deficient number, since it is larger than the sum of its proper divisors (1).

108977551 is an equidigital number, since it uses as much as digits as its factorization.

108977551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 43.

The square root of 108977551 is about 10439.2313414351. The cubic root of 108977551 is about 477.6528220769.

The spelling of 108977551 in words is "one hundred eight million, nine hundred seventy-seven thousand, five hundred fifty-one".