77799608000 has 224 divisors, whose sum is σ = 195824977920. Its totient is φ = 30615014400.

The previous prime is 77799607999. The next prime is 77799608039. The reversal of 77799608000 is 80699777.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216711821 + ... + 216712179.

Almost surely, 2^77799608000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77799608000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97912488960).

77799608000 is an abundant number, since it is smaller than the sum of its proper divisors (118025369920).

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

77799608000 is a wasteful number, since it uses less digits than its factorization.

77799608000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 53.

The spelling of 77799608000 in words is "seventy-seven billion, seven hundred ninety-nine million, six hundred eight thousand".