77433320635 has 16 divisors (see below), whose sum is σ = 101382128352. Its totient is φ = 56306880000.

The previous prime is 77433320609. The next prime is 77433320647. The reversal of 77433320635 is 53602333477.

It is not a de Polignac number, because 77433320635 - 2⁵ = 77433320603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77433320591 and 77433320600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288385 + ... + 487885.

It is an arithmetic number, because the mean of its divisors is an integer number (6336383022).

Almost surely, 2^77433320635 is an apocalyptic number.

77433320635 is a deficient number, since it is larger than the sum of its proper divisors (23948807717).

77433320635 is a wasteful number, since it uses less digits than its factorization.

77433320635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206574.

The product of its (nonzero) digits is 952560, while the sum is 43.

The spelling of 77433320635 in words is "seventy-seven billion, four hundred thirty-three million, three hundred twenty thousand, six hundred thirty-five".