4777566142 has 4 divisors (see below), whose sum is σ = 7166349216. Its totient is φ = 2388783070.

The previous prime is 4777566109. The next prime is 4777566173. The reversal of 4777566142 is 2416657774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2416657774 = 2 ⋅1208328887.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194391534 + ... + 1194391537.

It is an arithmetic number, because the mean of its divisors is an integer number (1791587304).

Almost surely, 2^4777566142 is an apocalyptic number.

4777566142 is a deficient number, since it is larger than the sum of its proper divisors (2388783074).

4777566142 is a wasteful number, since it uses less digits than its factorization.

4777566142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388783073.

The product of its digits is 1975680, while the sum is 49.

The square root of 4777566142 is about 69119.9402632844. The cubic root of 4777566142 is about 1684.2332468148.

The spelling of 4777566142 in words is "four billion, seven hundred seventy-seven million, five hundred sixty-six thousand, one hundred forty-two".