2772516258 has 24 divisors (see below), whose sum is σ = 6012225648. Its totient is φ = 923386392.

The previous prime is 2772516251. The next prime is 2772516277. The reversal of 2772516258 is 8526152772.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2772516251) 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, 43516 + ... + 86247.

It is an arithmetic number, because the mean of its divisors is an integer number (250509402).

Almost surely, 2^2772516258 is an apocalyptic number.

2772516258 is an abundant number, since it is smaller than the sum of its proper divisors (3239709390).

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

2772516258 is a wasteful number, since it uses less digits than its factorization.

2772516258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130958 (or 130955 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 2772516258 is about 52654.6888510416. The cubic root of 2772516258 is about 1404.8330003340.

The spelling of 2772516258 in words is "two billion, seven hundred seventy-two million, five hundred sixteen thousand, two hundred fifty-eight".