2127777641652 has 48 divisors (see below), whose sum is σ = 5460483393792. Its totient is φ = 640771006080.

The previous prime is 2127777641641. The next prime is 2127777641657. The reversal of 2127777641652 is 2561467777212.

It is a junction number, because it is equal to n+sod(n) for n = 2127777641592 and 2127777641601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127777641657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145094799 + ... + 145109462.

It is an arithmetic number, because the mean of its divisors is an integer number (113760070704).

Almost surely, 2^{2127777641652} is an apocalyptic number.

It is an amenable number.

2127777641652 is an abundant number, since it is smaller than the sum of its proper divisors (3332705752140).

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

2127777641652 is a wasteful number, since it uses less digits than its factorization.

2127777641652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290204328 (or 290204326 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 57.

The spelling of 2127777641652 in words is "two trillion, one hundred twenty-seven billion, seven hundred seventy-seven million, six hundred forty-one thousand, six hundred fifty-two".