28289690130 has 64 divisors (see below), whose sum is σ = 73871860608. Its totient is φ = 6891816960.

The previous prime is 28289690129. The next prime is 28289690137. The reversal of 28289690130 is 3109698282.

It is a self number, because there is not a number n which added to its sum of digits gives 28289690130.

It is not an unprimeable number, because it can be changed into a prime (28289690137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336076 + ... + 411735.

It is an arithmetic number, because the mean of its divisors is an integer number (1154247822).

Almost surely, 2^28289690130 is an apocalyptic number.

28289690130 is an abundant number, since it is smaller than the sum of its proper divisors (45582170478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28289690130 is a wasteful number, since it uses less digits than its factorization.

28289690130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747931.

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 28289690130 in words is "twenty-eight billion, two hundred eighty-nine million, six hundred ninety thousand, one hundred thirty".