2752778057 has 8 divisors (see below), whose sum is σ = 2917368576. Its totient is φ = 2588483392.

The previous prime is 2752778053. The next prime is 2752778081. The reversal of 2752778057 is 7508772572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2752778057 - 2² = 2752778053 is a prime.

It is a super-2 number, since 2×2752778057² = 15155574062201390498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2752777996 and 2752778014.

It is not an unprimeable number, because it can be changed into a prime (2752778051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54653 + ... + 92154.

It is an arithmetic number, because the mean of its divisors is an integer number (364671072).

Almost surely, 2^2752778057 is an apocalyptic number.

It is an amenable number.

2752778057 is a deficient number, since it is larger than the sum of its proper divisors (164590519).

2752778057 is a wasteful number, since it uses less digits than its factorization.

2752778057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147927.

The product of its (nonzero) digits is 1920800, while the sum is 50.

The square root of 2752778057 is about 52466.9234565931. The cubic root of 2752778057 is about 1401.4912777660.

The spelling of 2752778057 in words is "two billion, seven hundred fifty-two million, seven hundred seventy-eight thousand, fifty-seven".