4778457101 has 12 divisors (see below), whose sum is σ = 5254057536. Its totient is φ = 4342642920.

The previous prime is 4778457097. The next prime is 4778457109. The reversal of 4778457101 is 1017548774.

It is not a de Polignac number, because 4778457101 - 2² = 4778457097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778457109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621386 + ... + 629028.

It is an arithmetic number, because the mean of its divisors is an integer number (437838128).

Almost surely, 2^4778457101 is an apocalyptic number.

It is an amenable number.

4778457101 is a deficient number, since it is larger than the sum of its proper divisors (475600435).

4778457101 is a wasteful number, since it uses less digits than its factorization.

4778457101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12832 (or 12821 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 44.

The square root of 4778457101 is about 69126.3849843170. The cubic root of 4778457101 is about 1684.3379367660.

The spelling of 4778457101 in words is "four billion, seven hundred seventy-eight million, four hundred fifty-seven thousand, one hundred one".