77671030000 has 50 divisors (see below), whose sum is σ = 188049354944. Its totient is φ = 31068408000.

The previous prime is 77671029973. The next prime is 77671030001. The reversal of 77671030000 is 3017677.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77671030001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3873552 + ... + 3893551.

Almost surely, 2^77671030000 is an apocalyptic number.

It is an amenable number.

77671030000 is an abundant number, since it is smaller than the sum of its proper divisors (110378324944).

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

77671030000 is an equidigital number, since it uses as much as digits as its factorization.

77671030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767131 (or 7767110 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 31.

Adding to 77671030000 its reverse (3017677), we get a palindrome (77674047677).

The spelling of 77671030000 in words is "seventy-seven billion, six hundred seventy-one million, thirty thousand".