425767647 has 16 divisors (see below), whose sum is σ = 596039040. Its totient is φ = 269963232.

The previous prime is 425767633. The next prime is 425767679. The reversal of 425767647 is 746767524.

It is a happy number.

It is not a de Polignac number, because 425767647 - 2⁴ = 425767631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425767596 and 425767605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425767607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30693 + ... + 42350.

It is an arithmetic number, because the mean of its divisors is an integer number (37252440).

Almost surely, 2^425767647 is an apocalyptic number.

425767647 is a deficient number, since it is larger than the sum of its proper divisors (170271393).

425767647 is a wasteful number, since it uses less digits than its factorization.

425767647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73142.

The product of its digits is 1975680, while the sum is 48.

The square root of 425767647 is about 20634.1379029995. The cubic root of 425767647 is about 752.2996951071.

The spelling of 425767647 in words is "four hundred twenty-five million, seven hundred sixty-seven thousand, six hundred forty-seven".