9137478396 has 24 divisors (see below), whose sum is σ = 21323401344. Its totient is φ = 3045452080.

The previous prime is 9137478379. The next prime is 9137478397. The reversal of 9137478396 is 6938747319.

It is a super-2 number, since 2×9137478396² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9137478397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65881 + ... + 150383.

It is an arithmetic number, because the mean of its divisors is an integer number (888475056).

Almost surely, 2^9137478396 is an apocalyptic number.

It is an amenable number.

9137478396 is an abundant number, since it is smaller than the sum of its proper divisors (12185922948).

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

9137478396 is a wasteful number, since it uses less digits than its factorization.

9137478396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93521 (or 93519 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 57.

The square root of 9137478396 is about 95590.1584683277. The cubic root of 9137478396 is about 2090.6217022137.

The spelling of 9137478396 in words is "nine billion, one hundred thirty-seven million, four hundred seventy-eight thousand, three hundred ninety-six".