2771047512 has 48 divisors (see below), whose sum is σ = 7707763440. Its totient is φ = 898717248.

The previous prime is 2771047511. The next prime is 2771047519. The reversal of 2771047512 is 2157401772.

It is a super-2 number, since 2×2771047512² = 15357408627522780288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771047511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517428 + ... + 522755.

It is an arithmetic number, because the mean of its divisors is an integer number (160578405).

Almost surely, 2^2771047512 is an apocalyptic number.

It is an amenable number.

2771047512 is an abundant number, since it is smaller than the sum of its proper divisors (4936715928).

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

2771047512 is a wasteful number, since it uses less digits than its factorization.

2771047512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040232 (or 1040225 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 2771047512 is about 52640.7400403908. The cubic root of 2771047512 is about 1404.5848854907.

The spelling of 2771047512 in words is "two billion, seven hundred seventy-one million, forty-seven thousand, five hundred twelve".