425578767 has 16 divisors (see below), whose sum is σ = 577082880. Its totient is φ = 278928000.

The previous prime is 425578753. The next prime is 425578781. The reversal of 425578767 is 767875524.

It is an interprime number because it is at equal distance from previous prime (425578753) and next prime (425578781).

It is not a de Polignac number, because 425578767 - 2²⁰ = 424530191 is a prime.

It is a super-2 number, since 2×425578767² = 362234573842480578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425578787) 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, 53392 + ... + 60842.

It is an arithmetic number, because the mean of its divisors is an integer number (36067680).

Almost surely, 2^425578767 is an apocalyptic number.

425578767 is a deficient number, since it is larger than the sum of its proper divisors (151504113).

425578767 is a wasteful number, since it uses less digits than its factorization.

425578767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7774.

The product of its digits is 3292800, while the sum is 51.

The square root of 425578767 is about 20629.5605139809. The cubic root of 425578767 is about 752.1884330258.

The spelling of 425578767 in words is "four hundred twenty-five million, five hundred seventy-eight thousand, seven hundred sixty-seven".