2775745776 has 40 divisors (see below), whose sum is σ = 7201481040. Its totient is φ = 921273856.

The previous prime is 2775745757. The next prime is 2775745789. The reversal of 2775745776 is 6775475772.

It is a super-2 number, since 2×2775745776² = 15409529225963684352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112911 + ... + 135278.

It is an arithmetic number, because the mean of its divisors is an integer number (180037026).

Almost surely, 2^2775745776 is an apocalyptic number.

It is an amenable number.

2775745776 is an abundant number, since it is smaller than the sum of its proper divisors (4425735264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2775745776 is a wasteful number, since it uses less digits than its factorization.

2775745776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248433 (or 248427 counting only the distinct ones).

The product of its digits is 20168400, while the sum is 57.

The square root of 2775745776 is about 52685.3468812724. The cubic root of 2775745776 is about 1405.3782538858.

The spelling of 2775745776 in words is "two billion, seven hundred seventy-five million, seven hundred forty-five thousand, seven hundred seventy-six".