1117475808 has 48 divisors (see below), whose sum is σ = 2935331280. Its totient is φ = 372243456.

The previous prime is 1117475783. The next prime is 1117475839. The reversal of 1117475808 is 8085747111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1117475808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191916 + ... + 197652.

It is an arithmetic number, because the mean of its divisors is an integer number (61152735).

Almost surely, 2^1117475808 is an apocalyptic number.

It is an amenable number.

1117475808 is an abundant number, since it is smaller than the sum of its proper divisors (1817855472).

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

1117475808 is a wasteful number, since it uses less digits than its factorization.

1117475808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7779 (or 7771 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 42.

The square root of 1117475808 is about 33428.6674577375. The cubic root of 1117475808 is about 1037.7180637684.

It can be divided in two parts, 111747 and 5808, that multiplied together give a square (649026576 = 25476²).

The spelling of 1117475808 in words is "one billion, one hundred seventeen million, four hundred seventy-five thousand, eight hundred eight".