76858805 has 16 divisors (see below), whose sum is σ = 97043184. Its totient is φ = 58360320.

The previous prime is 76858783. The next prime is 76858807. The reversal of 76858805 is 50885867.

It can be written as a sum of positive squares in 8 ways, for example, as 103684 + 76755121 = 322^2 + 8761^2 .

It is not a de Polignac number, because 76858805 - 2⁸ = 76858549 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 76858805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76858807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2519 + ... + 12651.

It is an arithmetic number, because the mean of its divisors is an integer number (6065199).

Almost surely, 2^76858805 is an apocalyptic number.

It is an amenable number.

76858805 is a deficient number, since it is larger than the sum of its proper divisors (20184379).

76858805 is a wasteful number, since it uses less digits than its factorization.

76858805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10216.

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 76858805 is about 8766.9153640263. The cubic root of 76858805 is about 425.1718889486.

The spelling of 76858805 in words is "seventy-six million, eight hundred fifty-eight thousand, eight hundred five".