76664205 has 16 divisors (see below), whose sum is σ = 136292160. Its totient is φ = 40887504.

The previous prime is 76664177. The next prime is 76664233. The reversal of 76664205 is 50246667.

It is an interprime number because it is at equal distance from previous prime (76664177) and next prime (76664233).

It is not a de Polignac number, because 76664205 - 2¹² = 76660109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76664205.

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 15 ways as a sum of consecutive naturals, for example, 283807 + ... + 284076.

It is an arithmetic number, because the mean of its divisors is an integer number (8518260).

Almost surely, 2^76664205 is an apocalyptic number.

It is an amenable number.

76664205 is a deficient number, since it is larger than the sum of its proper divisors (59627955).

76664205 is a wasteful number, since it uses less digits than its factorization.

76664205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567897 (or 567891 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 76664205 is about 8755.8097855081. The cubic root of 76664205 is about 424.8127525777.

The spelling of 76664205 in words is "seventy-six million, six hundred sixty-four thousand, two hundred five".