8370739947 has 4 divisors (see below), whose sum is σ = 11160986600. Its totient is φ = 5580493296.

The previous prime is 8370739943. The next prime is 8370739957. The reversal of 8370739947 is 7499370738.

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

It is not a de Polignac number, because 8370739947 - 2² = 8370739943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8370739943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395123322 + ... + 1395123327.

It is an arithmetic number, because the mean of its divisors is an integer number (2790246650).

Almost surely, 2^8370739947 is an apocalyptic number.

8370739947 is a deficient number, since it is larger than the sum of its proper divisors (2790246653).

8370739947 is a wasteful number, since it uses less digits than its factorization.

8370739947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790246652.

The product of its (nonzero) digits is 8001504, while the sum is 57.

The square root of 8370739947 is about 91491.7479721532. The cubic root of 8370739947 is about 2030.4296652537.

The spelling of 8370739947 in words is "eight billion, three hundred seventy million, seven hundred thirty-nine thousand, nine hundred forty-seven".