28586148881 has 8 divisors (see below), whose sum is σ = 28661925600. Its totient is φ = 28510408960.

The previous prime is 28586148841. The next prime is 28586148883. The reversal of 28586148881 is 18884168582.

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 28586148881 - 2¹⁰ = 28586147857 is a prime.

It is a super-2 number, since 2×28586148881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28586148881.

It is not an unprimeable number, because it can be changed into a prime (28586148883) 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, 2273510 + ... + 2286048.

It is an arithmetic number, because the mean of its divisors is an integer number (3582740700).

Almost surely, 2^28586148881 is an apocalyptic number.

It is an amenable number.

28586148881 is a deficient number, since it is larger than the sum of its proper divisors (75776719).

28586148881 is a wasteful number, since it uses less digits than its factorization.

28586148881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18399.

The product of its digits is 7864320, while the sum is 59.

The spelling of 28586148881 in words is "twenty-eight billion, five hundred eighty-six million, one hundred forty-eight thousand, eight hundred eighty-one".