77433446804 has 24 divisors (see below), whose sum is σ = 156988362048. Its totient is φ = 32731162560.

The previous prime is 77433446803. The next prime is 77433446807. The reversal of 77433446804 is 40864433477.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77433446801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18939602 + ... + 18943689.

It is an arithmetic number, because the mean of its divisors is an integer number (6541181752).

Almost surely, 2^77433446804 is an apocalyptic number.

It is an amenable number.

77433446804 is an abundant number, since it is smaller than the sum of its proper divisors (79554915244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77433446804 is a wasteful number, since it uses less digits than its factorization.

77433446804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37883375 (or 37883373 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 50.

The spelling of 77433446804 in words is "seventy-seven billion, four hundred thirty-three million, four hundred forty-six thousand, eight hundred four".