3922897578 has 16 divisors (see below), whose sum is σ = 7849094400. Its totient is φ = 1307082656.

The previous prime is 3922897523. The next prime is 3922897631. The reversal of 3922897578 is 8757982293.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 121875 + ... + 150662.

It is an arithmetic number, because the mean of its divisors is an integer number (490568400).

Almost surely, 2^3922897578 is an apocalyptic number.

3922897578 is an abundant number, since it is smaller than the sum of its proper divisors (3926196822).

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

3922897578 is a wasteful number, since it uses less digits than its factorization.

3922897578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274941.

The product of its digits is 15240960, while the sum is 60.

The square root of 3922897578 is about 62633.0390289342. The cubic root of 3922897578 is about 1577.1354358752.

The spelling of 3922897578 in words is "three billion, nine hundred twenty-two million, eight hundred ninety-seven thousand, five hundred seventy-eight".