76678123898 has 8 divisors (see below), whose sum is σ = 115048307892. Its totient is φ = 38328687936.

The previous prime is 76678123871. The next prime is 76678123913. The reversal of 76678123898 is 89832187667.

It can be written as a sum of positive squares in 2 ways, for example, as 71009991529 + 5668132369 = 266477^2 + 75287^2 .

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, 5177765 + ... + 5192552.

Almost surely, 2^76678123898 is an apocalyptic number.

76678123898 is a deficient number, since it is larger than the sum of its proper divisors (38370183994).

76678123898 is a wasteful number, since it uses less digits than its factorization.

76678123898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10374016.

The product of its digits is 48771072, while the sum is 65.

The spelling of 76678123898 in words is "seventy-six billion, six hundred seventy-eight million, one hundred twenty-three thousand, eight hundred ninety-eight".