927117428 has 6 divisors (see below), whose sum is σ = 1622455506. Its totient is φ = 463558712.

The previous prime is 927117421. The next prime is 927117439. The reversal of 927117428 is 824711729.

It can be written as a sum of positive squares in only one way, i.e., 590101264 + 337016164 = 24292^2 + 18358^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (927117421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115889675 + ... + 115889682.

It is an arithmetic number, because the mean of its divisors is an integer number (270409251).

Almost surely, 2^927117428 is an apocalyptic number.

It is an amenable number.

927117428 is a deficient number, since it is larger than the sum of its proper divisors (695338078).

927117428 is a wasteful number, since it uses less digits than its factorization.

927117428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231779361 (or 231779359 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The square root of 927117428 is about 30448.6030549843. The cubic root of 927117428 is about 975.0904769862.

The spelling of 927117428 in words is "nine hundred twenty-seven million, one hundred seventeen thousand, four hundred twenty-eight".