5326978812 has 12 divisors (see below), whose sum is σ = 12429617256. Its totient is φ = 1775659600.

The previous prime is 5326978807. The next prime is 5326978831. The reversal of 5326978812 is 2188796235.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221957439 + ... + 221957462.

It is an arithmetic number, because the mean of its divisors is an integer number (1035801438).

Almost surely, 2^5326978812 is an apocalyptic number.

It is an amenable number.

5326978812 is an abundant number, since it is smaller than the sum of its proper divisors (7102638444).

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

5326978812 is a wasteful number, since it uses less digits than its factorization.

5326978812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443914908 (or 443914906 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 5326978812 is about 72986.1549336585. The cubic root of 5326978812 is about 1746.4667554907.

The spelling of 5326978812 in words is "five billion, three hundred twenty-six million, nine hundred seventy-eight thousand, eight hundred twelve".