4978354079 has 4 divisors (see below), whose sum is σ = 4994058984. Its totient is φ = 4962649176.

The previous prime is 4978354067. The next prime is 4978354081. The reversal of 4978354079 is 9704538794.

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 4978354079 - 2²⁰ = 4977305503 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 (4978354009) 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, 7851977 + ... + 7852610.

It is an arithmetic number, because the mean of its divisors is an integer number (1248514746).

Almost surely, 2^4978354079 is an apocalyptic number.

4978354079 is a deficient number, since it is larger than the sum of its proper divisors (15704905).

4978354079 is a wasteful number, since it uses less digits than its factorization.

4978354079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15704904.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The square root of 4978354079 is about 70557.4523278725. The cubic root of 4978354079 is about 1707.5047769053.

The spelling of 4978354079 in words is "four billion, nine hundred seventy-eight million, three hundred fifty-four thousand, seventy-nine".