76863005 has 4 divisors (see below), whose sum is σ = 92235612. Its totient is φ = 61490400.

The previous prime is 76862993. The next prime is 76863011. The reversal of 76863005 is 50036867.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37185604 + 39677401 = 6098^2 + 6299^2 .

It is not a de Polignac number, because 76863005 - 2⁸ = 76862749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7686296 + ... + 7686305.

It is an arithmetic number, because the mean of its divisors is an integer number (23058903).

Almost surely, 2^76863005 is an apocalyptic number.

It is an amenable number.

76863005 is a deficient number, since it is larger than the sum of its proper divisors (15372607).

76863005 is a wasteful number, since it uses less digits than its factorization.

76863005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15372606.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 76863005 is about 8767.1548976849. The cubic root of 76863005 is about 425.1796334068.

The spelling of 76863005 in words is "seventy-six million, eight hundred sixty-three thousand, five".