2742557775 has 24 divisors (see below), whose sum is σ = 4552458624. Its totient is φ = 1456860000.

The previous prime is 2742557747. The next prime is 2742557777. The reversal of 2742557775 is 5777552472.

2742557775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2742557775 - 2⁹ = 2742557263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742557777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54019 + ... + 91668.

It is an arithmetic number, because the mean of its divisors is an integer number (189685776).

Almost surely, 2^2742557775 is an apocalyptic number.

2742557775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2742557775 is a deficient number, since it is larger than the sum of its proper divisors (1809900849).

2742557775 is a wasteful number, since it uses less digits than its factorization.

2742557775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145951 (or 145946 counting only the distinct ones).

The product of its digits is 4802000, while the sum is 51.

The square root of 2742557775 is about 52369.4355039273. The cubic root of 2742557775 is about 1399.7546806551.

The spelling of 2742557775 in words is "two billion, seven hundred forty-two million, five hundred fifty-seven thousand, seven hundred seventy-five".