428823873379 has 8 divisors (see below), whose sum is σ = 467815962672. Its totient is φ = 389833134240.

The previous prime is 428823873347. The next prime is 428823873391. The reversal of 428823873379 is 973378328824.

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

It is not a de Polignac number, because 428823873379 - 2⁵ = 428823873347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428823873379.

It is not an unprimeable number, because it can be changed into a prime (428823873329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395857 + ... + 1007149.

It is an arithmetic number, because the mean of its divisors is an integer number (58476995334).

Almost surely, 2^428823873379 is an apocalyptic number.

428823873379 is a deficient number, since it is larger than the sum of its proper divisors (38992089293).

428823873379 is a wasteful number, since it uses less digits than its factorization.

428823873379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675077.

The product of its digits is 97542144, while the sum is 64.

Subtracting 428823873379 from its reverse (973378328824), we obtain a palindrome (544554455445).

The spelling of 428823873379 in words is "four hundred twenty-eight billion, eight hundred twenty-three million, eight hundred seventy-three thousand, three hundred seventy-nine".