652947766 has 4 divisors (see below), whose sum is σ = 979421652. Its totient is φ = 326473882.

The previous prime is 652947751. The next prime is 652947773. The reversal of 652947766 is 667749256.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163236940 + ... + 163236943.

It is an arithmetic number, because the mean of its divisors is an integer number (244855413).

Almost surely, 2^652947766 is an apocalyptic number.

652947766 is a deficient number, since it is larger than the sum of its proper divisors (326473886).

652947766 is a wasteful number, since it uses less digits than its factorization.

652947766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326473885.

The product of its digits is 3810240, while the sum is 52.

The square root of 652947766 is about 25552.8426207340. The cubic root of 652947766 is about 867.5466027059.

The spelling of 652947766 in words is "six hundred fifty-two million, nine hundred forty-seven thousand, seven hundred sixty-six".