71428650079 has 8 divisors (see below), whose sum is σ = 71510490000. Its totient is φ = 71346852096.

The previous prime is 71428650067. The next prime is 71428650089. The reversal of 71428650079 is 97005682417.

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 71428650079 - 2⁵ = 71428650047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71428650089) 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 in 7 ways as a sum of consecutive naturals, for example, 4404624 + ... + 4420810.

It is an arithmetic number, because the mean of its divisors is an integer number (8938811250).

Almost surely, 2^71428650079 is an apocalyptic number.

71428650079 is a deficient number, since it is larger than the sum of its proper divisors (81839921).

71428650079 is a wasteful number, since it uses less digits than its factorization.

71428650079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20969.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 71428650079 in words is "seventy-one billion, four hundred twenty-eight million, six hundred fifty thousand, seventy-nine".