424978697 has 8 divisors (see below), whose sum is σ = 499275840. Its totient is φ = 356625360.

The previous prime is 424978691. The next prime is 424978709. The reversal of 424978697 is 796879424.

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

It is not a de Polignac number, because 424978697 - 2¹⁰ = 424977673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424978691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485797 + ... + 1486082.

It is an arithmetic number, because the mean of its divisors is an integer number (62409480).

Almost surely, 2^424978697 is an apocalyptic number.

It is an amenable number.

424978697 is a deficient number, since it is larger than the sum of its proper divisors (74297143).

424978697 is a wasteful number, since it uses less digits than its factorization.

424978697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971903.

The product of its digits is 6096384, while the sum is 56.

The square root of 424978697 is about 20615.0114479716. The cubic root of 424978697 is about 751.8347358510.

The spelling of 424978697 in words is "four hundred twenty-four million, nine hundred seventy-eight thousand, six hundred ninety-seven".