77136202000 has 320 divisors, whose sum is σ = 220530885120. Its totient is φ = 25725696000.

The previous prime is 77136201997. The next prime is 77136202001. The reversal of 77136202000 is 20263177.

It is a self number, because there is not a number n which added to its sum of digits gives 77136202000.

It is not an unprimeable number, because it can be changed into a prime (77136202001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49477221 + ... + 49478779.

It is an arithmetic number, because the mean of its divisors is an integer number (689159016).

Almost surely, 2^77136202000 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 77136202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110265442560).

77136202000 is an abundant number, since it is smaller than the sum of its proper divisors (143394683120).

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

77136202000 is a wasteful number, since it uses less digits than its factorization.

77136202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

Adding to 77136202000 its reverse (20263177), we get a palindrome (77156465177).

The spelling of 77136202000 in words is "seventy-seven billion, one hundred thirty-six million, two hundred two thousand".