80780004068 has 6 divisors (see below), whose sum is σ = 141365007126. Its totient is φ = 40390002032.

The previous prime is 80780004037. The next prime is 80780004079. The reversal of 80780004068 is 86040008708.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 62449010404 + 18330993664 = 249898^2 + 135392^2 .

It is an unprimeable number.

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, 10097500505 + ... + 10097500512.

It is an arithmetic number, because the mean of its divisors is an integer number (23560834521).

Almost surely, 2^80780004068 is an apocalyptic number.

It is an amenable number.

80780004068 is a deficient number, since it is larger than the sum of its proper divisors (60585003058).

80780004068 is a wasteful number, since it uses less digits than its factorization.

80780004068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20195001021 (or 20195001019 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 80780004068 in words is "eighty billion, seven hundred eighty million, four thousand, sixty-eight".