109077578 has 4 divisors (see below), whose sum is σ = 163616370. Its totient is φ = 54538788.

The previous prime is 109077557. The next prime is 109077583. The reversal of 109077578 is 875770901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 875770901 = 1327 ⋅659963.

It can be written as a sum of positive squares in only one way, i.e., 87853129 + 21224449 = 9373^2 + 4607^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27269393 + ... + 27269396.

Almost surely, 2^109077578 is an apocalyptic number.

109077578 is a deficient number, since it is larger than the sum of its proper divisors (54538792).

109077578 is an equidigital number, since it uses as much as digits as its factorization.

109077578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54538791.

The product of its (nonzero) digits is 123480, while the sum is 44.

The square root of 109077578 is about 10444.0211604535. The cubic root of 109077578 is about 477.7989181239.

The spelling of 109077578 in words is "one hundred nine million, seventy-seven thousand, five hundred seventy-eight".