428113655 has 8 divisors (see below), whose sum is σ = 514251600. Its totient is φ = 342147456.

The previous prime is 428113619. The next prime is 428113661. The reversal of 428113655 is 556311824.

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 428113655 - 2⁶ = 428113591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37385 + ... + 47474.

It is an arithmetic number, because the mean of its divisors is an integer number (64281450).

Almost surely, 2^428113655 is an apocalyptic number.

428113655 is a deficient number, since it is larger than the sum of its proper divisors (86137945).

428113655 is a wasteful number, since it uses less digits than its factorization.

428113655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85873.

The product of its digits is 28800, while the sum is 35.

The square root of 428113655 is about 20690.9075441364. The cubic root of 428113655 is about 753.6789054410.

The spelling of 428113655 in words is "four hundred twenty-eight million, one hundred thirteen thousand, six hundred fifty-five".