9967678574 has 32 divisors (see below), whose sum is σ = 17355601920. Its totient is φ = 4204921248.

The previous prime is 9967678573. The next prime is 9967678601. The reversal of 9967678574 is 4758767699.

9967678574 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9967678573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562339 + ... + 1568705.

It is an arithmetic number, because the mean of its divisors is an integer number (542362560).

Almost surely, 2^9967678574 is an apocalyptic number.

9967678574 is a deficient number, since it is larger than the sum of its proper divisors (7387923346).

9967678574 is a wasteful number, since it uses less digits than its factorization.

9967678574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8112.

The product of its digits is 160030080, while the sum is 68.

The square root of 9967678574 is about 99838.2620742168. The cubic root of 9967678574 is about 2152.1110380592. Note that the first 3 decimals are identical.

The spelling of 9967678574 in words is "nine billion, nine hundred sixty-seven million, six hundred seventy-eight thousand, five hundred seventy-four".