2600781876 has 72 divisors (see below), whose sum is σ = 8196412224. Its totient is φ = 675527040.

The previous prime is 2600781847. The next prime is 2600781889. The reversal of 2600781876 is 6781870062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466345 + ... + 471888.

Almost surely, 2^2600781876 is an apocalyptic number.

It is an amenable number.

2600781876 is an abundant number, since it is smaller than the sum of its proper divisors (5595630348).

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

2600781876 is a wasteful number, since it uses less digits than its factorization.

2600781876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938261 (or 938256 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 2600781876 is about 50997.8614845760. The cubic root of 2600781876 is about 1375.2066908679.

The spelling of 2600781876 in words is "two billion, six hundred million, seven hundred eighty-one thousand, eight hundred seventy-six".