425820784 has 10 divisors (see below), whose sum is σ = 825027800. Its totient is φ = 212910384.

The previous prime is 425820779. The next prime is 425820821. The reversal of 425820784 is 487028524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13306884 + ... + 13306915.

It is an arithmetic number, because the mean of its divisors is an integer number (82502780).

Almost surely, 2^425820784 is an apocalyptic number.

It is an amenable number.

425820784 is a deficient number, since it is larger than the sum of its proper divisors (399207016).

425820784 is a wasteful number, since it uses less digits than its factorization.

425820784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26613807 (or 26613801 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 425820784 is about 20635.4254620543. The cubic root of 425820784 is about 752.3309901780.

The spelling of 425820784 in words is "four hundred twenty-five million, eight hundred twenty thousand, seven hundred eighty-four".