28898595511 has 8 divisors (see below), whose sum is σ = 30786236784. Its totient is φ = 27031812480.

The previous prime is 28898595503. The next prime is 28898595563. The reversal of 28898595511 is 11559589882.

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 28898595511 - 2³ = 28898595503 is a prime.

It is a super-2 number, since 2×28898595511² (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 28898595511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28898595581) 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, 5211700 + ... + 5217241.

It is an arithmetic number, because the mean of its divisors is an integer number (3848279598).

Almost surely, 2^28898595511 is an apocalyptic number.

28898595511 is a deficient number, since it is larger than the sum of its proper divisors (1887641273).

28898595511 is a wasteful number, since it uses less digits than its factorization.

28898595511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10429121.

The product of its digits is 10368000, while the sum is 61.

The spelling of 28898595511 in words is "twenty-eight billion, eight hundred ninety-eight million, five hundred ninety-five thousand, five hundred eleven".