768320115 has 16 divisors (see below), whose sum is σ = 1259296416. Its totient is φ = 399776000.

The previous prime is 768320107. The next prime is 768320141. The reversal of 768320115 is 511023867.

It is not a de Polignac number, because 768320115 - 2³ = 768320107 is a prime.

It is a super-2 number, since 2×768320115² = 1180631598227226450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624036 + ... + 625265.

It is an arithmetic number, because the mean of its divisors is an integer number (78706026).

Almost surely, 2^768320115 is an apocalyptic number.

768320115 is a deficient number, since it is larger than the sum of its proper divisors (490976301).

768320115 is a wasteful number, since it uses less digits than its factorization.

768320115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249350.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 768320115 is about 27718.5878969330. The cubic root of 768320115 is about 915.8986125492.

The spelling of 768320115 in words is "seven hundred sixty-eight million, three hundred twenty thousand, one hundred fifteen".