428076927 has 16 divisors (see below), whose sum is σ = 635594080. Its totient is φ = 284751936.

The previous prime is 428076907. The next prime is 428076931. The reversal of 428076927 is 729670824.

It is not a de Polignac number, because 428076927 - 2¹⁴ = 428060543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428076907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5008 + ... + 29685.

It is an arithmetic number, because the mean of its divisors is an integer number (39724630).

Almost surely, 2^428076927 is an apocalyptic number.

428076927 is a deficient number, since it is larger than the sum of its proper divisors (207517153).

428076927 is a wasteful number, since it uses less digits than its factorization.

428076927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35159 (or 35153 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 428076927 is about 20690.0199854906. The cubic root of 428076927 is about 753.6573520441.

The spelling of 428076927 in words is "four hundred twenty-eight million, seventy-six thousand, nine hundred twenty-seven".