1106778047 has 4 divisors (see below), whose sum is σ = 1171882656. Its totient is φ = 1041673440.

The previous prime is 1106778041. The next prime is 1106778073. The reversal of 1106778047 is 7408776011.

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

It is a cyclic number.

It is not a de Polignac number, because 1106778047 - 2⁴ = 1106778031 is a prime.

It is a super-2 number, since 2×1106778047² = 2449915290642268418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1106777995 and 1106778013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106778041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32552279 + ... + 32552312.

It is an arithmetic number, because the mean of its divisors is an integer number (292970664).

Almost surely, 2^1106778047 is an apocalyptic number.

1106778047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1106778047 is a deficient number, since it is larger than the sum of its proper divisors (65104609).

1106778047 is an equidigital number, since it uses as much as digits as its factorization.

1106778047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65104608.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 1106778047 is about 33268.2738806810. The cubic root of 1106778047 is about 1034.3960308938.

The spelling of 1106778047 in words is "one billion, one hundred six million, seven hundred seventy-eight thousand, forty-seven".