28906098072 has 32 divisors (see below), whose sum is σ = 72277220400. Its totient is φ = 9633769344.

The previous prime is 28906098071. The next prime is 28906098101. The reversal of 28906098072 is 27089060982.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28906098071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52818 + ... + 246174.

Almost surely, 2^28906098072 is an apocalyptic number.

It is an amenable number.

28906098072 is an abundant number, since it is smaller than the sum of its proper divisors (43371122328).

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

28906098072 is a wasteful number, since it uses less digits than its factorization.

28906098072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199595 (or 199591 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 28906098072 in words is "twenty-eight billion, nine hundred six million, ninety-eight thousand, seventy-two".