2775157212 has 24 divisors (see below), whose sum is σ = 6476245776. Its totient is φ = 924926848.

The previous prime is 2775157181. The next prime is 2775157247. The reversal of 2775157212 is 2127515772.

2775157212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2775157212² = 15402995102631225888, 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, 131968 + ... + 151544.

It is an arithmetic number, because the mean of its divisors is an integer number (269843574).

Almost surely, 2^2775157212 is an apocalyptic number.

It is an amenable number.

2775157212 is an abundant number, since it is smaller than the sum of its proper divisors (3701088564).

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

2775157212 is a wasteful number, since it uses less digits than its factorization.

2775157212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31397 (or 31395 counting only the distinct ones).

The product of its digits is 68600, while the sum is 39.

The square root of 2775157212 is about 52679.7609333983. The cubic root of 2775157212 is about 1405.2789155958.

The spelling of 2775157212 in words is "two billion, seven hundred seventy-five million, one hundred fifty-seven thousand, two hundred twelve".