428778058 has 8 divisors (see below), whose sum is σ = 643775328. Its totient is φ = 214186284.

The previous prime is 428778023. The next prime is 428778061. The reversal of 428778058 is 850877824.

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

It is a super-3 number, since 3×428778058³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98716 + ... + 102967.

It is an arithmetic number, because the mean of its divisors is an integer number (80471916).

Almost surely, 2^428778058 is an apocalyptic number.

428778058 is a deficient number, since it is larger than the sum of its proper divisors (214997270).

428778058 is a wasteful number, since it uses less digits than its factorization.

428778058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202748.

The product of its (nonzero) digits is 1003520, while the sum is 49.

The square root of 428778058 is about 20706.9567537096. The cubic root of 428778058 is about 754.0685898948.

The spelling of 428778058 in words is "four hundred twenty-eight million, seven hundred seventy-eight thousand, fifty-eight".