77950565300 has 72 divisors (see below), whose sum is σ = 173362862400. Its totient is φ = 30404908800.

The previous prime is 77950565281. The next prime is 77950565311. The reversal of 77950565300 is 356505977.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12571601 + ... + 12577799.

Almost surely, 2^77950565300 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 77950565300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86681431200).

77950565300 is an abundant number, since it is smaller than the sum of its proper divisors (95412297100).

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

77950565300 is a wasteful number, since it uses less digits than its factorization.

77950565300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9321 (or 9314 counting only the distinct ones).

The product of its (nonzero) digits is 992250, while the sum is 47.

The spelling of 77950565300 in words is "seventy-seven billion, nine hundred fifty million, five hundred sixty-five thousand, three hundred".