4778157084607 has 2 divisors, whose sum is σ = 4778157084608. Its totient is φ = 4778157084606.

The previous prime is 4778157084601. The next prime is 4778157084653. The reversal of 4778157084607 is 7064807518774.

4778157084607 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4778157084607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4778157084601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2389078542303 + 2389078542304.

It is an arithmetic number, because the mean of its divisors is an integer number (2389078542304).

Almost surely, 2^{4778157084607} is an apocalyptic number.

4778157084607 is a deficient number, since it is larger than the sum of its proper divisors (1).

4778157084607 is an equidigital number, since it uses as much as digits as its factorization.

4778157084607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73758720, while the sum is 64.

The spelling of 4778157084607 in words is "four trillion, seven hundred seventy-eight billion, one hundred fifty-seven million, eighty-four thousand, six hundred seven".