78327800481232 has 40 divisors (see below), whose sum is σ = 152902542126600. Its totient is φ = 38869209679872.

The previous prime is 78327800481197. The next prime is 78327800481253. The reversal of 78327800481232 is 23218400872387.

It can be written as a sum of positive squares in 4 ways, for example, as 2173135912336 + 76154664568896 = 1474156^2 + 8726664^2 .

It is a super-2 number, since 2×78327800481232² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5612194 + ... + 13716862.

It is an arithmetic number, because the mean of its divisors is an integer number (3822563553165).

Almost surely, 2^{78327800481232} is an apocalyptic number.

It is an amenable number.

78327800481232 is a deficient number, since it is larger than the sum of its proper divisors (74574741645368).

78327800481232 is a wasteful number, since it uses less digits than its factorization.

78327800481232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8109223 (or 8109217 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 78327800481232 in words is "seventy-eight trillion, three hundred twenty-seven billion, eight hundred million, four hundred eighty-one thousand, two hundred thirty-two".