527993947 has 8 divisors (see below), whose sum is σ = 581832944. Its totient is φ = 476044128.

The previous prime is 527993887. The next prime is 527994017. The reversal of 527993947 is 749399725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-527993947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (527993047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471708 + ... + 472825.

It is an arithmetic number, because the mean of its divisors is an integer number (72729118).

Almost surely, 2^527993947 is an apocalyptic number.

527993947 is a deficient number, since it is larger than the sum of its proper divisors (53838997).

527993947 is a wasteful number, since it uses less digits than its factorization.

527993947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944589.

The product of its digits is 4286520, while the sum is 55.

The square root of 527993947 is about 22978.1188742682. The cubic root of 527993947 is about 808.2449155235.

The spelling of 527993947 in words is "five hundred twenty-seven million, nine hundred ninety-three thousand, nine hundred forty-seven".