9274787397 has 6 divisors (see below), whose sum is σ = 13396915142. Its totient is φ = 6183191592.

The previous prime is 9274787387. The next prime is 9274787411. The reversal of 9274787397 is 7937874729.

9274787397 is a `hidden beast` number, since 9 + 2 + 7 + 478 + 73 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8692578756 + 582208641 = 93234^2 + 24129^2 .

It is not a de Polignac number, because 9274787397 - 2⁴ = 9274787381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9274787387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 515265958 + ... + 515265975.

Almost surely, 2^9274787397 is an apocalyptic number.

It is an amenable number.

9274787397 is a deficient number, since it is larger than the sum of its proper divisors (4122127745).

9274787397 is a wasteful number, since it uses less digits than its factorization.

9274787397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030531939 (or 1030531936 counting only the distinct ones).

The product of its digits is 37340352, while the sum is 63.

The square root of 9274787397 is about 96305.6976351867. The cubic root of 9274787397 is about 2101.0416145591.

The spelling of 9274787397 in words is "nine billion, two hundred seventy-four million, seven hundred eighty-seven thousand, three hundred ninety-seven".