9397787982 has 64 divisors (see below), whose sum is σ = 20658343680. Its totient is φ = 2826502400.

The previous prime is 9397787977. The next prime is 9397787989. The reversal of 9397787982 is 2897877939.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9397787989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5981257 + ... + 5982827.

It is an arithmetic number, because the mean of its divisors is an integer number (322786620).

Almost surely, 2^9397787982 is an apocalyptic number.

9397787982 is an abundant number, since it is smaller than the sum of its proper divisors (11260555698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9397787982 is a wasteful number, since it uses less digits than its factorization.

9397787982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209.

The product of its digits is 96018048, while the sum is 69.

The square root of 9397787982 is about 96942.1888653232. The cubic root of 9397787982 is about 2110.2887367198.

The spelling of 9397787982 in words is "nine billion, three hundred ninety-seven million, seven hundred eighty-seven thousand, nine hundred eighty-two".