28487490073 has 16 divisors (see below), whose sum is σ = 33180298624. Its totient is φ = 23953501440.

The previous prime is 28487490061. The next prime is 28487490107. The reversal of 28487490073 is 37009478482.

It is a cyclic number.

It is not a de Polignac number, because 28487490073 - 2¹⁷ = 28487359001 is a prime.

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 28487490073.

It is not an unprimeable number, because it can be changed into a prime (28487494073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12990 + ... + 239047.

It is an arithmetic number, because the mean of its divisors is an integer number (2073768664).

Almost surely, 2^28487490073 is an apocalyptic number.

It is an amenable number.

28487490073 is a deficient number, since it is larger than the sum of its proper divisors (4692808551).

28487490073 is a wasteful number, since it uses less digits than its factorization.

28487490073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252352.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 28487490073 in words is "twenty-eight billion, four hundred eighty-seven million, four hundred ninety thousand, seventy-three".