4789978057 has 4 divisors (see below), whose sum is σ = 4847688720. Its totient is φ = 4732267396.

The previous prime is 4789978043. The next prime is 4789978087. The reversal of 4789978057 is 7508799874.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7508799874 = 2 ⋅3754399937.

It is a cyclic number.

It is not a de Polignac number, because 4789978057 - 2¹⁹ = 4789453769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4789978057.

It is not an unprimeable number, because it can be changed into a prime (4789978087) 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, 28855207 + ... + 28855372.

It is an arithmetic number, because the mean of its divisors is an integer number (1211922180).

Almost surely, 2^4789978057 is an apocalyptic number.

It is an amenable number.

4789978057 is a deficient number, since it is larger than the sum of its proper divisors (57710663).

4789978057 is an equidigital number, since it uses as much as digits as its factorization.

4789978057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57710662.

The product of its (nonzero) digits is 35562240, while the sum is 64.

The square root of 4789978057 is about 69209.6673666331. The cubic root of 4789978057 is about 1685.6905078488.

The spelling of 4789978057 in words is "four billion, seven hundred eighty-nine million, nine hundred seventy-eight thousand, fifty-seven".