28602213655 has 8 divisors (see below), whose sum is σ = 34626397392. Its totient is φ = 22679276928.

The previous prime is 28602213649. The next prime is 28602213709. The reversal of 28602213655 is 55631220682.

It is a happy number.

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 28602213655 - 2⁷ = 28602213527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 25311129 + ... + 25312258.

It is an arithmetic number, because the mean of its divisors is an integer number (4328299674).

Almost surely, 2^28602213655 is an apocalyptic number.

28602213655 is a deficient number, since it is larger than the sum of its proper divisors (6024183737).

28602213655 is a wasteful number, since it uses less digits than its factorization.

28602213655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50623505.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 28602213655 in words is "twenty-eight billion, six hundred two million, two hundred thirteen thousand, six hundred fifty-five".