28679580019 has 8 divisors (see below), whose sum is σ = 28755632448. Its totient is φ = 28603572480.

The previous prime is 28679579977. The next prime is 28679580029. The reversal of 28679580019 is 91008597682.

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 28679580019 - 2⁷ = 28679579891 is a prime.

It is a super-2 number, since 2×28679580019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28679580029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549729 + ... + 1568125.

It is an arithmetic number, because the mean of its divisors is an integer number (3594454056).

Almost surely, 2^28679580019 is an apocalyptic number.

28679580019 is a deficient number, since it is larger than the sum of its proper divisors (76052429).

28679580019 is a wasteful number, since it uses less digits than its factorization.

28679580019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22445.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 28679580019 in words is "twenty-eight billion, six hundred seventy-nine million, five hundred eighty thousand, nineteen".