428881478746 has 8 divisors (see below), whose sum is σ = 735225392160. Its totient is φ = 183806348028.

The previous prime is 428881478737. The next prime is 428881478827. The reversal of 428881478746 is 647874188824.

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

It is a super-2 number, since 2×428881478746² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15317195656 + ... + 15317195683.

It is an arithmetic number, because the mean of its divisors is an integer number (91903174020).

Almost surely, 2^428881478746 is an apocalyptic number.

428881478746 is a deficient number, since it is larger than the sum of its proper divisors (306343913414).

428881478746 is a wasteful number, since it uses less digits than its factorization.

428881478746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30634391348.

The product of its digits is 154140672, while the sum is 67.

The spelling of 428881478746 in words is "four hundred twenty-eight billion, eight hundred eighty-one million, four hundred seventy-eight thousand, seven hundred forty-six".