4777775457 has 32 divisors (see below), whose sum is σ = 7884334080. Its totient is φ = 2506040640.

The previous prime is 4777775417. The next prime is 4777775543. The reversal of 4777775457 is 7545777774.

It is a happy number.

It is not a de Polignac number, because 4777775457 - 2⁶ = 4777775393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4777775457.

It is not an unprimeable number, because it can be changed into a prime (4777775417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19 + ... + 97752.

It is an arithmetic number, because the mean of its divisors is an integer number (246385440).

Almost surely, 2^4777775457 is an apocalyptic number.

It is an amenable number.

4777775457 is a deficient number, since it is larger than the sum of its proper divisors (3106558623).

4777775457 is a wasteful number, since it uses less digits than its factorization.

4777775457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97973.

The product of its digits is 47059600, while the sum is 60.

The square root of 4777775457 is about 69121.4543900807. The cubic root of 4777775457 is about 1684.2578430299.

The spelling of 4777775457 in words is "four billion, seven hundred seventy-seven million, seven hundred seventy-five thousand, four hundred fifty-seven".