109075499777 has 2 divisors, whose sum is σ = 109075499778. Its totient is φ = 109075499776.

The previous prime is 109075499761. The next prime is 109075499809. The reversal of 109075499777 is 777994570901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107765132176 + 1310367601 = 328276^2 + 36199^2 .

It is a cyclic number.

It is not a de Polignac number, because 109075499777 - 2⁴ = 109075499761 is a prime.

It is not a weakly prime, because it can be changed into another prime (109075499707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54537749888 + 54537749889.

It is an arithmetic number, because the mean of its divisors is an integer number (54537749889).

Almost surely, 2^109075499777 is an apocalyptic number.

It is an amenable number.

109075499777 is a deficient number, since it is larger than the sum of its proper divisors (1).

109075499777 is an equidigital number, since it uses as much as digits as its factorization.

109075499777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35006580, while the sum is 65.

The spelling of 109075499777 in words is "one hundred nine billion, seventy-five million, four hundred ninety-nine thousand, seven hundred seventy-seven".