3928280567 has 4 divisors (see below), whose sum is σ = 3967174536. Its totient is φ = 3889386600.

The previous prime is 3928280563. The next prime is 3928280569. The reversal of 3928280567 is 7650828293.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3928280567 - 2² = 3928280563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928280563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19446833 + ... + 19447034.

It is an arithmetic number, because the mean of its divisors is an integer number (991793634).

Almost surely, 2^3928280567 is an apocalyptic number.

3928280567 is a deficient number, since it is larger than the sum of its proper divisors (38893969).

3928280567 is a wasteful number, since it uses less digits than its factorization.

3928280567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38893968.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 3928280567 is about 62675.9967371880. The cubic root of 3928280567 is about 1577.8564864346.

The spelling of 3928280567 in words is "three billion, nine hundred twenty-eight million, two hundred eighty thousand, five hundred sixty-seven".