116385578 has 4 divisors (see below), whose sum is σ = 174578370. Its totient is φ = 58192788.

The previous prime is 116385559. The next prime is 116385611. The reversal of 116385578 is 875583611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75463969 + 40921609 = 8687^2 + 6397^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29096393 + ... + 29096396.

Almost surely, 2^116385578 is an apocalyptic number.

116385578 is a deficient number, since it is larger than the sum of its proper divisors (58192792).

116385578 is an equidigital number, since it uses as much as digits as its factorization.

116385578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58192791.

The product of its digits is 201600, while the sum is 44.

The square root of 116385578 is about 10788.2147735388. The cubic root of 116385578 is about 488.2396615738.

The spelling of 116385578 in words is "one hundred sixteen million, three hundred eighty-five thousand, five hundred seventy-eight".