1117007772 has 24 divisors (see below), whose sum is σ = 2669922192. Its totient is φ = 363254400.

The previous prime is 1117007747. The next prime is 1117007789. The reversal of 1117007772 is 2777007111.

It is a happy number.

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, 1134679 + ... + 1135662.

It is an arithmetic number, because the mean of its divisors is an integer number (111246758).

Almost surely, 2^1117007772 is an apocalyptic number.

1117007772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1117007772 is an abundant number, since it is smaller than the sum of its proper divisors (1552914420).

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

1117007772 is a wasteful number, since it uses less digits than its factorization.

1117007772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270389 (or 2270387 counting only the distinct ones).

The product of its (nonzero) digits is 4802, while the sum is 33.

The square root of 1117007772 is about 33421.6662062202. Note that the first 3 decimals coincide. The cubic root of 1117007772 is about 1037.5731666018.

The spelling of 1117007772 in words is "one billion, one hundred seventeen million, seven thousand, seven hundred seventy-two".