425769858 has 40 divisors (see below), whose sum is σ = 968303952. Its totient is φ = 139801464.

The previous prime is 425769823. The next prime is 425769887. The reversal of 425769858 is 858967524.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8760 + ... + 30467.

Almost surely, 2^425769858 is an apocalyptic number.

425769858 is an abundant number, since it is smaller than the sum of its proper divisors (542534094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425769858 is a wasteful number, since it uses less digits than its factorization.

425769858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39308 (or 39299 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 425769858 is about 20634.1914791930. The cubic root of 425769858 is about 752.3009973289.

The spelling of 425769858 in words is "four hundred twenty-five million, seven hundred sixty-nine thousand, eight hundred fifty-eight".