78676336084 has 6 divisors (see below), whose sum is σ = 137683588154. Its totient is φ = 39338168040.

The previous prime is 78676336051. The next prime is 78676336087. The reversal of 78676336084 is 48063367687.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63675475600 + 15000860484 = 252340^2 + 122478^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78676336087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9834542007 + ... + 9834542014.

Almost surely, 2^78676336084 is an apocalyptic number.

It is an amenable number.

78676336084 is a deficient number, since it is larger than the sum of its proper divisors (59007252070).

78676336084 is a wasteful number, since it uses less digits than its factorization.

78676336084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19669084025 (or 19669084023 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 58.

The spelling of 78676336084 in words is "seventy-eight billion, six hundred seventy-six million, three hundred thirty-six thousand, eighty-four".