79400370659 has 8 divisors (see below), whose sum is σ = 79751825712. Its totient is φ = 79049007360.

The previous prime is 79400370641. The next prime is 79400370719. The reversal of 79400370659 is 95607300497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79400370659 - 2³² = 75105403363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79400370059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2172779 + ... + 2209019.

It is an arithmetic number, because the mean of its divisors is an integer number (9968978214).

Almost surely, 2^79400370659 is an apocalyptic number.

79400370659 is a deficient number, since it is larger than the sum of its proper divisors (351455053).

79400370659 is a wasteful number, since it uses less digits than its factorization.

79400370659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45877.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 79400370659 in words is "seventy-nine billion, four hundred million, three hundred seventy thousand, six hundred fifty-nine".