28990654486 has 8 divisors (see below), whose sum is σ = 43817936184. Its totient is φ = 14384675760.

The previous prime is 28990654379. The next prime is 28990654507. The reversal of 28990654486 is 68445609982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55325415 + ... + 55325938.

It is an arithmetic number, because the mean of its divisors is an integer number (5477242023).

Almost surely, 2^28990654486 is an apocalyptic number.

28990654486 is a deficient number, since it is larger than the sum of its proper divisors (14827281698).

28990654486 is a wasteful number, since it uses less digits than its factorization.

28990654486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110651486.

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 28990654486 in words is "twenty-eight billion, nine hundred ninety million, six hundred fifty-four thousand, four hundred eighty-six".