787668259 has 16 divisors (see below), whose sum is σ = 953899200. Its totient is φ = 634927104.

The previous prime is 787668241. The next prime is 787668269. The reversal of 787668259 is 952866787.

It is not a de Polignac number, because 787668259 - 2⁷ = 787668131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (787668209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251797 + ... + 254905.

It is an arithmetic number, because the mean of its divisors is an integer number (59618700).

Almost surely, 2^787668259 is an apocalyptic number.

787668259 is a deficient number, since it is larger than the sum of its proper divisors (166230941).

787668259 is a wasteful number, since it uses less digits than its factorization.

787668259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262.

The product of its digits is 10160640, while the sum is 58.

The square root of 787668259 is about 28065.4281813052. The cubic root of 787668259 is about 923.5231398586.

It can be divided in two parts, 78766 and 8259, that added together give a square (87025 = 295²).

The spelling of 787668259 in words is "seven hundred eighty-seven million, six hundred sixty-eight thousand, two hundred fifty-nine".