28690890359 has 8 divisors (see below), whose sum is σ = 30357422640. Its totient is φ = 27040006656.

The previous prime is 28690890341. The next prime is 28690890367. The reversal of 28690890359 is 95309809682.

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

It is a cyclic number.

It is not a de Polignac number, because 28690890359 - 2²⁰ = 28689841783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28690890298 and 28690890307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28690890379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3908372 + ... + 3915705.

It is an arithmetic number, because the mean of its divisors is an integer number (3794677830).

Almost surely, 2^28690890359 is an apocalyptic number.

28690890359 is a deficient number, since it is larger than the sum of its proper divisors (1666532281).

28690890359 is a wasteful number, since it uses less digits than its factorization.

28690890359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7824289.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 28690890359 in words is "twenty-eight billion, six hundred ninety million, eight hundred ninety thousand, three hundred fifty-nine".