113577778 has 4 divisors (see below), whose sum is σ = 170366670. Its totient is φ = 56788888.

The previous prime is 113577767. The next prime is 113577823. The reversal of 113577778 is 877775311.

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., 87291649 + 26286129 = 9343^2 + 5127^2 .

It is a plaindrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28394443 + ... + 28394446.

Almost surely, 2^113577778 is an apocalyptic number.

113577778 is a deficient number, since it is larger than the sum of its proper divisors (56788892).

113577778 is an equidigital number, since it uses as much as digits as its factorization.

113577778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56788891.

The product of its digits is 288120, while the sum is 46.

The square root of 113577778 is about 10657.2875535945. The cubic root of 113577778 is about 484.2814001201.

The spelling of 113577778 in words is "one hundred thirteen million, five hundred seventy-seven thousand, seven hundred seventy-eight".