428100351478 has 4 divisors (see below), whose sum is σ = 642150527220. Its totient is φ = 214050175738.

The previous prime is 428100351473. The next prime is 428100351479. The reversal of 428100351478 is 874153001824.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428100351473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107025087868 + ... + 107025087871.

It is an arithmetic number, because the mean of its divisors is an integer number (160537631805).

Almost surely, 2^428100351478 is an apocalyptic number.

428100351478 is a deficient number, since it is larger than the sum of its proper divisors (214050175742).

428100351478 is a wasteful number, since it uses less digits than its factorization.

428100351478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214050175741.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 428100351478 in words is "four hundred twenty-eight billion, one hundred million, three hundred fifty-one thousand, four hundred seventy-eight".