3928078160 has 20 divisors (see below), whose sum is σ = 9132781908. Its totient is φ = 1571231232.

The previous prime is 3928078153. The next prime is 3928078181. The reversal of 3928078160 is 618708293.

It can be written as a sum of positive squares in 2 ways, for example, as 2627177536 + 1300900624 = 51256^2 + 36068^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24550409 + ... + 24550568.

Almost surely, 2^3928078160 is an apocalyptic number.

It is an amenable number.

3928078160 is an abundant number, since it is smaller than the sum of its proper divisors (5204703748).

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

3928078160 is a wasteful number, since it uses less digits than its factorization.

3928078160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49100990 (or 49100984 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 3928078160 is about 62674.3820073242. The cubic root of 3928078160 is about 1577.8293859701.

The spelling of 3928078160 in words is "three billion, nine hundred twenty-eight million, seventy-eight thousand, one hundred sixty".