79280859136 has 24 divisors (see below), whose sum is σ = 158523011010. Its totient is φ = 39640428544.

The previous prime is 79280859103. The next prime is 79280859221. The reversal of 79280859136 is 63195808297.

It can be written as a sum of positive squares in only one way, i.e., 59411137536 + 19869721600 = 243744^2 + 140960^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19353631 + ... + 19357726.

Almost surely, 2^79280859136 is an apocalyptic number.

It is an amenable number.

79280859136 is a deficient number, since it is larger than the sum of its proper divisors (79242151874).

79280859136 is an equidigital number, since it uses as much as digits as its factorization.

79280859136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38711379 (or 38711359 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 79280859136 in words is "seventy-nine billion, two hundred eighty million, eight hundred fifty-nine thousand, one hundred thirty-six".