108090822457 has 2 divisors, whose sum is σ = 108090822458. Its totient is φ = 108090822456.

The previous prime is 108090822439. The next prime is 108090822487. The reversal of 108090822457 is 754228090801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71401718521 + 36689103936 = 267211^2 + 191544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108090822457 is a prime.

It is a super-3 number, since 3×108090822457³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (108090822487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54045411228 + 54045411229.

It is an arithmetic number, because the mean of its divisors is an integer number (54045411229).

Almost surely, 2^108090822457 is an apocalyptic number.

It is an amenable number.

108090822457 is a deficient number, since it is larger than the sum of its proper divisors (1).

108090822457 is an equidigital number, since it uses as much as digits as its factorization.

108090822457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 108090822457 in words is "one hundred eight billion, ninety million, eight hundred twenty-two thousand, four hundred fifty-seven".