260782772 has 6 divisors (see below), whose sum is σ = 456369858. Its totient is φ = 130391384.

The previous prime is 260782759. The next prime is 260782793. The reversal of 260782772 is 277287062.

It can be written as a sum of positive squares in only one way, i.e., 244734736 + 16048036 = 15644^2 + 4006^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32597843 + ... + 32597850.

It is an arithmetic number, because the mean of its divisors is an integer number (76061643).

Almost surely, 2^260782772 is an apocalyptic number.

It is an amenable number.

260782772 is a deficient number, since it is larger than the sum of its proper divisors (195587086).

260782772 is a wasteful number, since it uses less digits than its factorization.

260782772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65195697 (or 65195695 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 260782772 is about 16148.7699841195. The cubic root of 260782772 is about 638.8903068377.

The spelling of 260782772 in words is "two hundred sixty million, seven hundred eighty-two thousand, seven hundred seventy-two".