425678636 has 12 divisors (see below), whose sum is σ = 765071328. Its totient is φ = 207086832.

The previous prime is 425678621. The next prime is 425678663. The reversal of 425678636 is 636876524.

It is a super-2 number, since 2×425678636² = 362404602293640992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437956 + ... + 1438251.

It is an arithmetic number, because the mean of its divisors is an integer number (63755944).

Almost surely, 2^425678636 is an apocalyptic number.

It is an amenable number.

425678636 is a deficient number, since it is larger than the sum of its proper divisors (339392692).

425678636 is a wasteful number, since it uses less digits than its factorization.

425678636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876248 (or 2876246 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 47.

The square root of 425678636 is about 20631.9809034421. The cubic root of 425678636 is about 752.2472661860.

The spelling of 425678636 in words is "four hundred twenty-five million, six hundred seventy-eight thousand, six hundred thirty-six".