76668985 has 8 divisors (see below), whose sum is σ = 93960576. Its totient is φ = 60030000.

The previous prime is 76668979. The next prime is 76668989. The reversal of 76668985 is 58986667.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-76668985 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76668989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162891 + ... + 163360.

It is an arithmetic number, because the mean of its divisors is an integer number (11745072).

Almost surely, 2^76668985 is an apocalyptic number.

It is an amenable number.

76668985 is a deficient number, since it is larger than the sum of its proper divisors (17291591).

76668985 is a wasteful number, since it uses less digits than its factorization.

76668985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326303.

The product of its digits is 4354560, while the sum is 55.

The square root of 76668985 is about 8756.0827428708. The cubic root of 76668985 is about 424.8215813949.

It can be divided in two parts, 766 and 68985, that added together give a triangular number (69751 = T₃₇₃).

The spelling of 76668985 in words is "seventy-six million, six hundred sixty-eight thousand, nine hundred eighty-five".