1108678647 has 16 divisors (see below), whose sum is σ = 1565885952. Its totient is φ = 695333760.

The previous prime is 1108678639. The next prime is 1108678673. The reversal of 1108678647 is 7468768011.

It is not a de Polignac number, because 1108678647 - 2³ = 1108678639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1108678596 and 1108678605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108674647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182188 + ... + 188174.

It is an arithmetic number, because the mean of its divisors is an integer number (97867872).

Almost surely, 2^1108678647 is an apocalyptic number.

1108678647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1108678647 is a deficient number, since it is larger than the sum of its proper divisors (457207305).

1108678647 is a wasteful number, since it uses less digits than its factorization.

1108678647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9638.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 1108678647 is about 33296.8263803024. The cubic root of 1108678647 is about 1034.9877932701.

The spelling of 1108678647 in words is "one billion, one hundred eight million, six hundred seventy-eight thousand, six hundred forty-seven".