9996378507 has 32 divisors (see below), whose sum is σ = 14877086720. Its totient is φ = 6633900000.

The previous prime is 9996378499. The next prime is 9996378527. The reversal of 9996378507 is 7058736999.

9996378507 is a `hidden beast` number, since 9 + 9 + 96 + 37 + 8 + 507 = 666.

It is not a de Polignac number, because 9996378507 - 2³ = 9996378499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9996378527) 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, 8536032 + ... + 8537202.

It is an arithmetic number, because the mean of its divisors is an integer number (464908960).

Almost surely, 2^9996378507 is an apocalyptic number.

9996378507 is a deficient number, since it is larger than the sum of its proper divisors (4880708213).

9996378507 is a wasteful number, since it uses less digits than its factorization.

9996378507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The square root of 9996378507 is about 99981.8908953016. The cubic root of 9996378507 is about 2154.1745829585.

The spelling of 9996378507 in words is "nine billion, nine hundred ninety-six million, three hundred seventy-eight thousand, five hundred seven".