9902502947 has 8 divisors (see below), whose sum is σ = 10114718400. Its totient is φ = 9691766824.

The previous prime is 9902502931. The next prime is 9902502979. The reversal of 9902502947 is 7492052099.

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

It is a cyclic number.

It is not a de Polignac number, because 9902502947 - 2⁴ = 9902502931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9902502047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356297 + ... + 383082.

It is an arithmetic number, because the mean of its divisors is an integer number (1264339800).

Almost surely, 2^9902502947 is an apocalyptic number.

9902502947 is a deficient number, since it is larger than the sum of its proper divisors (212215453).

9902502947 is a wasteful number, since it uses less digits than its factorization.

9902502947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739665.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 9902502947 is about 99511.3206976975. The cubic root of 9902502947 is about 2147.4101100272.

The spelling of 9902502947 in words is "nine billion, nine hundred two million, five hundred two thousand, nine hundred forty-seven".