76405505500 has 96 divisors (see below), whose sum is σ = 184367933568. Its totient is φ = 27513728000.

The previous prime is 76405505489. The next prime is 76405505509. The reversal of 76405505500 is 550550467.

It is a self number, because there is not a number n which added to its sum of digits gives 76405505500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76405505509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90 + ... + 390910.

It is an arithmetic number, because the mean of its divisors is an integer number (1920499308).

Almost surely, 2^76405505500 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 76405505500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92183966784).

76405505500 is an abundant number, since it is smaller than the sum of its proper divisors (107962428068).

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

76405505500 is a wasteful number, since it uses less digits than its factorization.

76405505500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390880 (or 390868 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 76405505500 in words is "seventy-six billion, four hundred five million, five hundred five thousand, five hundred".