428590776494 has 8 divisors (see below), whose sum is σ = 642936082080. Its totient is φ = 214278749136.

The previous prime is 428590776473. The next prime is 428590776541. The reversal of 428590776494 is 494677095824.

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

It is a self number, because there is not a number n which added to its sum of digits gives 428590776494.

It is a congruent number.

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, 8287334 + ... + 8338889.

It is an arithmetic number, because the mean of its divisors is an integer number (80367010260).

Almost surely, 2^428590776494 is an apocalyptic number.

428590776494 is a deficient number, since it is larger than the sum of its proper divisors (214345305586).

428590776494 is a wasteful number, since it uses less digits than its factorization.

428590776494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16639114.

The product of its (nonzero) digits is 121927680, while the sum is 65.

The spelling of 428590776494 in words is "four hundred twenty-eight billion, five hundred ninety million, seven hundred seventy-six thousand, four hundred ninety-four".