9497784670 has 16 divisors (see below), whose sum is σ = 18650195568. Its totient is φ = 3453739840.

The previous prime is 9497784643. The next prime is 9497784677. The reversal of 9497784670 is 764877949.

9497784670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9497784599 and 9497784608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9497784677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43171639 + ... + 43171858.

It is an arithmetic number, because the mean of its divisors is an integer number (1165637223).

Almost surely, 2^9497784670 is an apocalyptic number.

9497784670 is a deficient number, since it is larger than the sum of its proper divisors (9152410898).

9497784670 is a wasteful number, since it uses less digits than its factorization.

9497784670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86343515.

The product of its (nonzero) digits is 21337344, while the sum is 61.

The square root of 9497784670 is about 97456.5783823750. The cubic root of 9497784670 is about 2117.7471521878.

The spelling of 9497784670 in words is "nine billion, four hundred ninety-seven million, seven hundred eighty-four thousand, six hundred seventy".