28290614011 has 8 divisors (see below), whose sum is σ = 30863985264. Its totient is φ = 25717492320.

The previous prime is 28290613991. The next prime is 28290614041. The reversal of 28290614011 is 11041609282.

It is a happy number.

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 28290614011 - 2²³ = 28282225403 is a prime.

It is a super-2 number, since 2×28290614011² (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 (28290614041) 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, 237225 + ... + 335941.

It is an arithmetic number, because the mean of its divisors is an integer number (3857998158).

Almost surely, 2^28290614011 is an apocalyptic number.

28290614011 is a deficient number, since it is larger than the sum of its proper divisors (2573371253).

28290614011 is a wasteful number, since it uses less digits than its factorization.

28290614011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124781.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 28290614011 in words is "twenty-eight billion, two hundred ninety million, six hundred fourteen thousand, eleven".