4906778111 has 4 divisors (see below), whose sum is σ = 4906979352. Its totient is φ = 4906576872.

The previous prime is 4906778081. The next prime is 4906778131. The reversal of 4906778111 is 1118776094.

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 4906778111 - 2¹⁸ = 4906515967 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4906778131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58040 + ... + 114813.

It is an arithmetic number, because the mean of its divisors is an integer number (1226744838).

Almost surely, 2^4906778111 is an apocalyptic number.

4906778111 is a deficient number, since it is larger than the sum of its proper divisors (201241).

4906778111 is a wasteful number, since it uses less digits than its factorization.

4906778111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201240.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 4906778111 is about 70048.3983471428. The cubic root of 4906778111 is about 1699.2820625901.

The spelling of 4906778111 in words is "four billion, nine hundred six million, seven hundred seventy-eight thousand, one hundred eleven".