77433609002 has 4 divisors (see below), whose sum is σ = 116150413506. Its totient is φ = 38716804500.

The previous prime is 77433608983. The next prime is 77433609031. The reversal of 77433609002 is 20090633477.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59195376601 + 18238232401 = 243301^2 + 135049^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19358402249 + ... + 19358402252.

Almost surely, 2^77433609002 is an apocalyptic number.

77433609002 is a deficient number, since it is larger than the sum of its proper divisors (38716804504).

77433609002 is a wasteful number, since it uses less digits than its factorization.

77433609002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38716804503.

The product of its (nonzero) digits is 190512, while the sum is 41.

The spelling of 77433609002 in words is "seventy-seven billion, four hundred thirty-three million, six hundred nine thousand, two".