113477778 has 48 divisors (see below), whose sum is σ = 251212416. Its totient is φ = 37013760.

The previous prime is 113477761. The next prime is 113477797. The reversal of 113477778 is 877774311.

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 (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179523 + ... + 180153.

It is an arithmetic number, because the mean of its divisors is an integer number (5233592).

Almost surely, 2^113477778 is an apocalyptic number.

113477778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113477778 is an abundant number, since it is smaller than the sum of its proper divisors (137734638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113477778 is a wasteful number, since it uses less digits than its factorization.

113477778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 836 counting only the distinct ones).

The product of its digits is 230496, while the sum is 45.

The square root of 113477778 is about 10652.5948951417. The cubic root of 113477778 is about 484.1392292344.

The spelling of 113477778 in words is "one hundred thirteen million, four hundred seventy-seven thousand, seven hundred seventy-eight".