260828763 has 32 divisors (see below), whose sum is σ = 394813440. Its totient is φ = 151958400.

The previous prime is 260828759. The next prime is 260828767. The reversal of 260828763 is 367828062.

It is an interprime number because it is at equal distance from previous prime (260828759) and next prime (260828767).

It is not a de Polignac number, because 260828763 - 2² = 260828759 is a prime.

It is a super-2 number, since 2×260828763² = 136063287216220338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260828767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89158 + ... + 92036.

It is an arithmetic number, because the mean of its divisors is an integer number (12337920).

Almost surely, 2^260828763 is an apocalyptic number.

260828763 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

260828763 is a deficient number, since it is larger than the sum of its proper divisors (133984677).

260828763 is a wasteful number, since it uses less digits than its factorization.

260828763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 260828763 is about 16150.1938997648. The cubic root of 260828763 is about 638.9278623310.

The spelling of 260828763 in words is "two hundred sixty million, eight hundred twenty-eight thousand, seven hundred sixty-three".