2087121776 has 20 divisors (see below), whose sum is σ = 4047993144. Its totient is φ = 1042478400.

The previous prime is 2087121761. The next prime is 2087121781. The reversal of 2087121776 is 6771217802.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51635 + ... + 82706.

Almost surely, 2^2087121776 is an apocalyptic number.

It is an amenable number.

2087121776 is a deficient number, since it is larger than the sum of its proper divisors (1960871368).

2087121776 is a wasteful number, since it uses less digits than its factorization.

2087121776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135320 (or 135314 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 2087121776 is about 45685.0279194399. The cubic root of 2087121776 is about 1277.9560836951.

The spelling of 2087121776 in words is "two billion, eighty-seven million, one hundred twenty-one thousand, seven hundred seventy-six".