4778053236391 has 8 divisors (see below), whose sum is σ = 4935368144000. Its totient is φ = 4620937338720.

The previous prime is 4778053236349. The next prime is 4778053236511. The reversal of 4778053236391 is 1936323508774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4778053236391 - 2³⁷ = 4640614282919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778053236091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49703676 + ... + 49799713.

It is an arithmetic number, because the mean of its divisors is an integer number (616921018000).

It is a 1-persistent number, because it is pandigital, but 2⋅4778053236391 = 9556106472782 is not.

Almost surely, 2^{4778053236391} is an apocalyptic number.

4778053236391 is a deficient number, since it is larger than the sum of its proper divisors (157314907609).

4778053236391 is a wasteful number, since it uses less digits than its factorization.

4778053236391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99504969.

The product of its (nonzero) digits is 22861440, while the sum is 58.

The spelling of 4778053236391 in words is "four trillion, seven hundred seventy-eight billion, fifty-three million, two hundred thirty-six thousand, three hundred ninety-one".