1113407777 has 4 divisors (see below), whose sum is σ = 1114004736. Its totient is φ = 1112810820.

The previous prime is 1113407761. The next prime is 1113407783. The reversal of 1113407777 is 7777043111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7777043111 = 26729 ⋅290959.

It is a cyclic number.

It is not a de Polignac number, because 1113407777 - 2⁴ = 1113407761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113407777.

It is not an unprimeable number, because it can be changed into a prime (1113407717) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 295673 + ... + 299414.

It is an arithmetic number, because the mean of its divisors is an integer number (278501184).

Almost surely, 2^1113407777 is an apocalyptic number.

It is an amenable number.

1113407777 is a deficient number, since it is larger than the sum of its proper divisors (596959).

1113407777 is an equidigital number, since it uses as much as digits as its factorization.

1113407777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596958.

The product of its (nonzero) digits is 28812, while the sum is 38.

The square root of 1113407777 is about 33367.7655380159. The cubic root of 1113407777 is about 1036.4573050165.

The spelling of 1113407777 in words is "one billion, one hundred thirteen million, four hundred seven thousand, seven hundred seventy-seven".