76770356666 has 8 divisors (see below), whose sum is σ = 115163797140. Its totient is φ = 38382424288.

The previous prime is 76770356623. The next prime is 76770356699. The reversal of 76770356666 is 66665307767.

It can be written as a sum of positive squares in 2 ways, for example, as 69984057025 + 6786299641 = 264545^2 + 82379^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342001 + ... + 1398036.

Almost surely, 2^76770356666 is an apocalyptic number.

76770356666 is a deficient number, since it is larger than the sum of its proper divisors (38393440474).

76770356666 is a wasteful number, since it uses less digits than its factorization.

76770356666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754048.

The product of its (nonzero) digits is 40007520, while the sum is 59.

The spelling of 76770356666 in words is "seventy-six billion, seven hundred seventy million, three hundred fifty-six thousand, six hundred sixty-six".