4978774673 has 4 divisors (see below), whose sum is σ = 4982730480. Its totient is φ = 4974818868.

The previous prime is 4978774663. The next prime is 4978774693. The reversal of 4978774673 is 3764778794.

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 4978774673 - 2⁴ = 4978774657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4978774643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1976015 + ... + 1978532.

It is an arithmetic number, because the mean of its divisors is an integer number (1245682620).

Almost surely, 2^4978774673 is an apocalyptic number.

It is an amenable number.

4978774673 is a deficient number, since it is larger than the sum of its proper divisors (3955807).

4978774673 is a wasteful number, since it uses less digits than its factorization.

4978774673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955806.

The product of its digits is 49787136, while the sum is 62.

The square root of 4978774673 is about 70560.4327721989. The cubic root of 4978774673 is about 1707.5528614749.

The spelling of 4978774673 in words is "four billion, nine hundred seventy-eight million, seven hundred seventy-four thousand, six hundred seventy-three".