76856063 has 4 divisors (see below), whose sum is σ = 76879320. Its totient is φ = 76832808.

The previous prime is 76856033. The next prime is 76856069. The reversal of 76856063 is 36065867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36065867 = 587 ⋅61441.

It is a cyclic number.

It is not a de Polignac number, because 76856063 - 2¹⁰ = 76855039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76856063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76856069) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5645 + ... + 13622.

It is an arithmetic number, because the mean of its divisors is an integer number (19219830).

Almost surely, 2^76856063 is an apocalyptic number.

76856063 is a deficient number, since it is larger than the sum of its proper divisors (23257).

76856063 is a wasteful number, since it uses less digits than its factorization.

76856063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23256.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 76856063 is about 8766.7589792351. The cubic root of 76856063 is about 425.1668327715.

The spelling of 76856063 in words is "seventy-six million, eight hundred fifty-six thousand, sixty-three".