425315779 has 8 divisors (see below), whose sum is σ = 511658240. Its totient is φ = 345369096.

The previous prime is 425315771. The next prime is 425315797. The reversal of 425315779 is 977513524.

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

It is a cyclic number.

It is not a de Polignac number, because 425315779 - 2³ = 425315771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425315771) 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, 1598799 + ... + 1599064.

It is an arithmetic number, because the mean of its divisors is an integer number (63957280).

Almost surely, 2^425315779 is an apocalyptic number.

425315779 is a deficient number, since it is larger than the sum of its proper divisors (86342461).

425315779 is a wasteful number, since it uses less digits than its factorization.

425315779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197889.

The product of its digits is 264600, while the sum is 43.

The square root of 425315779 is about 20623.1854716967. The cubic root of 425315779 is about 752.0334618759.

The spelling of 425315779 in words is "four hundred twenty-five million, three hundred fifteen thousand, seven hundred seventy-nine".