3965922678 has 16 divisors (see below), whose sum is σ = 7982368560. Its totient is φ = 1313553696.

The previous prime is 3965922647. The next prime is 3965922679. The reversal of 3965922678 is 8762295693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965922679) 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, 2104113 + ... + 2105996.

It is an arithmetic number, because the mean of its divisors is an integer number (498898035).

Almost surely, 2^3965922678 is an apocalyptic number.

3965922678 is an abundant number, since it is smaller than the sum of its proper divisors (4016445882).

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

3965922678 is a wasteful number, since it uses less digits than its factorization.

3965922678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210271.

The product of its digits is 9797760, while the sum is 57.

The square root of 3965922678 is about 62975.5720736223. The cubic root of 3965922678 is about 1582.8803249713.

The spelling of 3965922678 in words is "three billion, nine hundred sixty-five million, nine hundred twenty-two thousand, six hundred seventy-eight".