76552421380 has 24 divisors (see below), whose sum is σ = 160777232280. Its totient is φ = 30617702400.

The previous prime is 76552421359. The next prime is 76552421383. The reversal of 76552421380 is 8312425567.

It can be written as a sum of positive squares in 4 ways, for example, as 24305433604 + 52246987776 = 155902^2 + 228576^2 .

It is a super-2 number, since 2×76552421380² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76552421383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7315 + ... + 391354.

It is an arithmetic number, because the mean of its divisors is an integer number (6699051345).

Almost surely, 2^76552421380 is an apocalyptic number.

It is an amenable number.

76552421380 is an abundant number, since it is smaller than the sum of its proper divisors (84224810900).

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

76552421380 is a wasteful number, since it uses less digits than its factorization.

76552421380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408279 (or 408277 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 76552421380 in words is "seventy-six billion, five hundred fifty-two million, four hundred twenty-one thousand, three hundred eighty".