260812776 has 256 divisors, whose sum is σ = 846028800. Its totient is φ = 65286144.

The previous prime is 260812757. The next prime is 260812777. The reversal of 260812776 is 677218062.

It is not an unprimeable number, because it can be changed into a prime (260812777) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3892695 + ... + 3892761.

It is an arithmetic number, because the mean of its divisors is an integer number (3304800).

Almost surely, 2^260812776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260812776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423014400).

260812776 is an abundant number, since it is smaller than the sum of its proper divisors (585216024).

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

260812776 is a wasteful number, since it uses less digits than its factorization.

260812776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 260812776 is about 16149.6989445624. The cubic root of 260812776 is about 638.9148081107.

The spelling of 260812776 in words is "two hundred sixty million, eight hundred twelve thousand, seven hundred seventy-six".