828531427380 has 48 divisors (see below), whose sum is σ = 2399884139520. Its totient is φ = 213323033728.

The previous prime is 828531427357. The next prime is 828531427393. The reversal of 828531427380 is 83724135828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238082004 + ... + 238085483.

It is an arithmetic number, because the mean of its divisors is an integer number (49997586240).

Almost surely, 2^828531427380 is an apocalyptic number.

It is an amenable number.

828531427380 is an abundant number, since it is smaller than the sum of its proper divisors (1571352712140).

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

828531427380 is a wasteful number, since it uses less digits than its factorization.

828531427380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476167528 (or 476167526 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 828531427380 in words is "eight hundred twenty-eight billion, five hundred thirty-one million, four hundred twenty-seven thousand, three hundred eighty".