8729763946 has 8 divisors (see below), whose sum is σ = 13105552644. Its totient is φ = 4361246400.

The previous prime is 8729763941. The next prime is 8729763961. The reversal of 8729763946 is 6493679278.

It can be written as a sum of positive squares in 2 ways, for example, as 5170329025 + 3559434921 = 71905^2 + 59661^2 .

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

It is not an unprimeable number, because it can be changed into a prime (8729763941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814785 + ... + 1819588.

Almost surely, 2^8729763946 is an apocalyptic number.

8729763946 is a deficient number, since it is larger than the sum of its proper divisors (4375788698).

8729763946 is a wasteful number, since it uses less digits than its factorization.

8729763946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635576.

The product of its digits is 27433728, while the sum is 61.

The square root of 8729763946 is about 93433.2057996513. The cubic root of 8729763946 is about 2059.0528798790.

The spelling of 8729763946 in words is "eight billion, seven hundred twenty-nine million, seven hundred sixty-three thousand, nine hundred forty-six".