4028916797 has 4 divisors (see below), whose sum is σ = 4085662176. Its totient is φ = 3972171420.

The previous prime is 4028916781. The next prime is 4028916799. The reversal of 4028916797 is 7976198204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4028916797 - 2⁴ = 4028916781 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 (4028916799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28372583 + ... + 28372724.

It is an arithmetic number, because the mean of its divisors is an integer number (1021415544).

Almost surely, 2^4028916797 is an apocalyptic number.

It is an amenable number.

4028916797 is a deficient number, since it is larger than the sum of its proper divisors (56745379).

4028916797 is an equidigital number, since it uses as much as digits as its factorization.

4028916797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56745378.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 4028916797 is about 63473.7488809350. The cubic root of 4028916797 is about 1591.2170839008.

The spelling of 4028916797 in words is "four billion, twenty-eight million, nine hundred sixteen thousand, seven hundred ninety-seven".