4777138 has 4 divisors (see below), whose sum is σ = 7165710. Its totient is φ = 2388568.

The previous prime is 4777103. The next prime is 4777139. The reversal of 4777138 is 8317774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8317774 = 2 ⋅4158887.

It can be written as a sum of positive squares in only one way, i.e., 4524129 + 253009 = 2127^2 + 503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4777097 and 4777106.

It is not an unprimeable number, because it can be changed into a prime (4777139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194283 + ... + 1194286.

Almost surely, 2^4777138 is an apocalyptic number.

4777138 is a deficient number, since it is larger than the sum of its proper divisors (2388572).

4777138 is a wasteful number, since it uses less digits than its factorization.

4777138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388571.

The product of its digits is 32928, while the sum is 37.

The square root of 4777138 is about 2185.6664887398. Note that the first 3 decimals coincide. The cubic root of 4777138 is about 168.4182934410.

The spelling of 4777138 in words is "four million, seven hundred seventy-seven thousand, one hundred thirty-eight".