76650952993 has 4 divisors (see below), whose sum is σ = 76654826820. Its totient is φ = 76647079168.

The previous prime is 76650952969. The next prime is 76650953003. The reversal of 76650952993 is 39925905667.

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 47789020449 + 28861932544 = 218607^2 + 169888^2 .

It is a cyclic number.

It is not a de Polignac number, because 76650952993 - 2⁹ = 76650952481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76650952393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907080 + ... + 1946857.

It is an arithmetic number, because the mean of its divisors is an integer number (19163706705).

Almost surely, 2^76650952993 is an apocalyptic number.

It is an amenable number.

76650952993 is a deficient number, since it is larger than the sum of its proper divisors (3873827).

76650952993 is a wasteful number, since it uses less digits than its factorization.

76650952993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873826.

The product of its (nonzero) digits is 27556200, while the sum is 61.

The spelling of 76650952993 in words is "seventy-six billion, six hundred fifty million, nine hundred fifty-two thousand, nine hundred ninety-three".