9932318378 has 4 divisors (see below), whose sum is σ = 14898477570. Its totient is φ = 4966159188.

The previous prime is 9932318353. The next prime is 9932318411. The reversal of 9932318378 is 8738132399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8738132399 = 487 ⋅17942777.

It can be written as a sum of positive squares in only one way, i.e., 8563096369 + 1369222009 = 92537^2 + 37003^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2483079593 + ... + 2483079596.

Almost surely, 2^9932318378 is an apocalyptic number.

9932318378 is a deficient number, since it is larger than the sum of its proper divisors (4966159192).

9932318378 is a wasteful number, since it uses less digits than its factorization.

9932318378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966159191.

The product of its digits is 1959552, while the sum is 53.

The square root of 9932318378 is about 99661.0173437940. The cubic root of 9932318378 is about 2149.5631618710.

The spelling of 9932318378 in words is "nine billion, nine hundred thirty-two million, three hundred eighteen thousand, three hundred seventy-eight".