425093779 has 4 divisors (see below), whose sum is σ = 463738680. Its totient is φ = 386448880.

The previous prime is 425093759. The next prime is 425093807. The reversal of 425093779 is 977390524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425093779 - 2⁹ = 425093267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425093759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19322434 + ... + 19322455.

It is an arithmetic number, because the mean of its divisors is an integer number (115934670).

Almost surely, 2^425093779 is an apocalyptic number.

425093779 is a deficient number, since it is larger than the sum of its proper divisors (38644901).

425093779 is a wasteful number, since it uses less digits than its factorization.

425093779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38644900.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 425093779 is about 20617.8024774708. The cubic root of 425093779 is about 751.9025940260.

The spelling of 425093779 in words is "four hundred twenty-five million, ninety-three thousand, seven hundred seventy-nine".