77671606003 has 4 divisors (see below), whose sum is σ = 77762238840. Its totient is φ = 77580973168.

The previous prime is 77671605917. The next prime is 77671606031. The reversal of 77671606003 is 30060617677.

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

It is a cyclic number.

It is not a de Polignac number, because 77671606003 - 2³³ = 69081671411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77671676003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45315133 + ... + 45316846.

It is an arithmetic number, because the mean of its divisors is an integer number (19440559710).

Almost surely, 2^77671606003 is an apocalyptic number.

77671606003 is a deficient number, since it is larger than the sum of its proper divisors (90632837).

77671606003 is an equidigital number, since it uses as much as digits as its factorization.

77671606003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90632836.

The product of its (nonzero) digits is 222264, while the sum is 43.

The spelling of 77671606003 in words is "seventy-seven billion, six hundred seventy-one million, six hundred six thousand, three".