2130771776 has 56 divisors (see below), whose sum is σ = 4944709440. Its totient is φ = 891942912.

The previous prime is 2130771761. The next prime is 2130771779. The reversal of 2130771776 is 6771770312.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×2130771776² = 9080376722796388352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130771779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36041 + ... + 74568.

Almost surely, 2^2130771776 is an apocalyptic number.

It is an amenable number.

2130771776 is an abundant number, since it is smaller than the sum of its proper divisors (2813937664).

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

2130771776 is a wasteful number, since it uses less digits than its factorization.

2130771776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110671 (or 110661 counting only the distinct ones).

The product of its (nonzero) digits is 86436, while the sum is 41.

The square root of 2130771776 is about 46160.2835346578. The cubic root of 2130771776 is about 1286.8037321953.

The spelling of 2130771776 in words is "two billion, one hundred thirty million, seven hundred seventy-one thousand, seven hundred seventy-six".