260047851 has 64 divisors (see below), whose sum is σ = 436224000. Its totient is φ = 137295648.

The previous prime is 260047849. The next prime is 260047859. The reversal of 260047851 is 158740062.

It is not a de Polignac number, because 260047851 - 2¹ = 260047849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260047859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 918756 + ... + 919038.

It is an arithmetic number, because the mean of its divisors is an integer number (6816000).

Almost surely, 2^260047851 is an apocalyptic number.

260047851 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

260047851 is a deficient number, since it is larger than the sum of its proper divisors (176176149).

260047851 is a wasteful number, since it uses less digits than its factorization.

260047851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 260047851 is about 16125.9992248543. Note that the first 3 decimals coincide. The cubic root of 260047851 is about 638.2895825115.

The spelling of 260047851 in words is "two hundred sixty million, forty-seven thousand, eight hundred fifty-one".