90028003069 has 24 divisors (see below), whose sum is σ = 101174048640. Its totient is φ = 79845245568.

The previous prime is 90028003001. The next prime is 90028003081. The reversal of 90028003069 is 96030082009.

It is a de Polignac number, because none of the positive numbers 2^k-90028003069 is a prime.

It is a super-2 number, since 2×90028003069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90028003099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377109 + ... + 567685.

It is an arithmetic number, because the mean of its divisors is an integer number (4215585360).

Almost surely, 2^90028003069 is an apocalyptic number.

It is an amenable number.

90028003069 is a deficient number, since it is larger than the sum of its proper divisors (11146045571).

90028003069 is a wasteful number, since it uses less digits than its factorization.

90028003069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190689 (or 190666 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 90028003069 in words is "ninety billion, twenty-eight million, three thousand, sixty-nine".