28603511090 has 64 divisors (see below), whose sum is σ = 64226304000. Its totient is φ = 8910440640.

The previous prime is 28603511089. The next prime is 28603511093. The reversal of 28603511090 is 9011530682.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 28603511090.

It is not an unprimeable number, because it can be changed into a prime (28603511093) 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, 1529939 + ... + 1548521.

It is an arithmetic number, because the mean of its divisors is an integer number (1003536000).

Almost surely, 2^28603511090 is an apocalyptic number.

28603511090 is an abundant number, since it is smaller than the sum of its proper divisors (35622792910).

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

28603511090 is a wasteful number, since it uses less digits than its factorization.

28603511090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20607.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 28603511090 in words is "twenty-eight billion, six hundred three million, five hundred eleven thousand, ninety".