9487894737 has 16 divisors (see below), whose sum is σ = 12720713600. Its totient is φ = 6290203392.

The previous prime is 9487894727. The next prime is 9487894763. The reversal of 9487894737 is 7374987849.

It is a happy number.

It is not a de Polignac number, because 9487894737 - 2⁴ = 9487894721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9487894727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1810473 + ... + 1815705.

It is an arithmetic number, because the mean of its divisors is an integer number (795044600).

Almost surely, 2^9487894737 is an apocalyptic number.

It is an amenable number.

9487894737 is a deficient number, since it is larger than the sum of its proper divisors (3232818863).

9487894737 is a wasteful number, since it uses less digits than its factorization.

9487894737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8472.

The product of its digits is 85349376, while the sum is 66.

The square root of 9487894737 is about 97405.8249644240. The cubic root of 9487894737 is about 2117.0118350552.

The spelling of 9487894737 in words is "nine billion, four hundred eighty-seven million, eight hundred ninety-four thousand, seven hundred thirty-seven".