428837551 has 8 divisors (see below), whose sum is σ = 435138944. Its totient is φ = 422547840.

The previous prime is 428837533. The next prime is 428837557. The reversal of 428837551 is 155738824.

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 428837551 - 2⁹ = 428837039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428837498 and 428837507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428837557) by changing a digit.

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, 94210 + ... + 98656.

It is an arithmetic number, because the mean of its divisors is an integer number (54392368).

Almost surely, 2^428837551 is an apocalyptic number.

428837551 is a deficient number, since it is larger than the sum of its proper divisors (6301393).

428837551 is a wasteful number, since it uses less digits than its factorization.

428837551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841.

The product of its digits is 268800, while the sum is 43.

The square root of 428837551 is about 20708.3932500810. The cubic root of 428837551 is about 754.1034639803.

The spelling of 428837551 in words is "four hundred twenty-eight million, eight hundred thirty-seven thousand, five hundred fifty-one".