78327633948 has 24 divisors (see below), whose sum is σ = 182914689552. Its totient is φ = 26087752704.

The previous prime is 78327633929. The next prime is 78327634009. The reversal of 78327633948 is 84933672387.

It is a super-2 number, since 2×78327633948² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78327633891 and 78327633900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2667115 + ... + 2696322.

It is an arithmetic number, because the mean of its divisors is an integer number (7621445398).

Almost surely, 2^78327633948 is an apocalyptic number.

It is an amenable number.

78327633948 is an abundant number, since it is smaller than the sum of its proper divisors (104587055604).

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

78327633948 is a wasteful number, since it uses less digits than its factorization.

78327633948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364661 (or 5364659 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 60.

The spelling of 78327633948 in words is "seventy-eight billion, three hundred twenty-seven million, six hundred thirty-three thousand, nine hundred forty-eight".