77235400000 has 168 divisors, whose sum is σ = 208988936352. Its totient is φ = 28084800000.

The previous prime is 77235399929. The next prime is 77235400049. The reversal of 77235400000 is 453277.

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, 2182447 + ... + 2217553.

It is an arithmetic number, because the mean of its divisors is an integer number (1243981764).

Almost surely, 2^77235400000 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 77235400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104494468176).

77235400000 is an abundant number, since it is smaller than the sum of its proper divisors (131753536352).

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

77235400000 is an equidigital number, since it uses as much as digits as its factorization.

77235400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35155 (or 35125 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

Adding to 77235400000 its reverse (453277), we get a palindrome (77235853277).

The spelling of 77235400000 in words is "seventy-seven billion, two hundred thirty-five million, four hundred thousand".