4777575947 has 2 divisors, whose sum is σ = 4777575948. Its totient is φ = 4777575946.

The previous prime is 4777575923. The next prime is 4777575967. The reversal of 4777575947 is 7495757774.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4777575947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4777575947.

It is not a weakly prime, because it can be changed into another prime (4777575967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2388787973 + 2388787974.

It is an arithmetic number, because the mean of its divisors is an integer number (2388787974).

Almost surely, 2^4777575947 is an apocalyptic number.

4777575947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4777575947 is an equidigital number, since it uses as much as digits as its factorization.

4777575947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60505200, while the sum is 62.

The square root of 4777575947 is about 69120.0111906820. The cubic root of 4777575947 is about 1684.2343989981.

The spelling of 4777575947 in words is "four billion, seven hundred seventy-seven million, five hundred seventy-five thousand, nine hundred forty-seven".