108734898457 has 2 divisors, whose sum is σ = 108734898458. Its totient is φ = 108734898456.

The previous prime is 108734898427. The next prime is 108734898499. The reversal of 108734898457 is 754898437801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75174124041 + 33560774416 = 274179^2 + 183196^2 .

It is a cyclic number.

It is not a de Polignac number, because 108734898457 - 2⁷ = 108734898329 is a prime.

It is not a weakly prime, because it can be changed into another prime (108734898427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54367449228 + 54367449229.

It is an arithmetic number, because the mean of its divisors is an integer number (54367449229).

Almost surely, 2^108734898457 is an apocalyptic number.

It is an amenable number.

108734898457 is a deficient number, since it is larger than the sum of its proper divisors (1).

108734898457 is an equidigital number, since it uses as much as digits as its factorization.

108734898457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 108734898457 in words is "one hundred eight billion, seven hundred thirty-four million, eight hundred ninety-eight thousand, four hundred fifty-seven".