260628787 has 2 divisors, whose sum is σ = 260628788. Its totient is φ = 260628786.

The previous prime is 260628769. The next prime is 260628799. The reversal of 260628787 is 787826062.

260628787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260628787 - 2⁷ = 260628659 is a prime.

It is a super-2 number, since 2×260628787² = 135854729226182738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260622787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130314393 + 130314394.

It is an arithmetic number, because the mean of its divisors is an integer number (130314394).

Almost surely, 2^260628787 is an apocalyptic number.

260628787 is a deficient number, since it is larger than the sum of its proper divisors (1).

260628787 is an equidigital number, since it uses as much as digits as its factorization.

260628787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 260628787 is about 16144.0015795341. The cubic root of 260628787 is about 638.7645330721.

The spelling of 260628787 in words is "two hundred sixty million, six hundred twenty-eight thousand, seven hundred eighty-seven".