2770772538 has 32 divisors (see below), whose sum is σ = 5761465920. Its totient is φ = 887610240.

The previous prime is 2770772513. The next prime is 2770772551. The reversal of 2770772538 is 8352770772.

It is a happy number.

It is a super-2 number, since 2×2770772538² = 15354360914669922888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67573 + ... + 100536.

It is an arithmetic number, because the mean of its divisors is an integer number (180045810).

Almost surely, 2^2770772538 is an apocalyptic number.

2770772538 is an abundant number, since it is smaller than the sum of its proper divisors (2990693382).

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

2770772538 is a wasteful number, since it uses less digits than its factorization.

2770772538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168222.

The product of its (nonzero) digits is 1152480, while the sum is 48.

The square root of 2770772538 is about 52638.1281772063. The cubic root of 2770772538 is about 1404.5384244685.

The spelling of 2770772538 in words is "two billion, seven hundred seventy million, seven hundred seventy-two thousand, five hundred thirty-eight".