8260660425 has 12 divisors (see below), whose sum is σ = 13657625360. Its totient is φ = 4405685520.

The previous prime is 8260660403. The next prime is 8260660493. The reversal of 8260660425 is 5240660628.

It is not a de Polignac number, because 8260660425 - 2⁵ = 8260660393 is a prime.

It is a super-3 number, since 3×8260660425³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55070995 + ... + 55071144.

Almost surely, 2^8260660425 is an apocalyptic number.

It is an amenable number.

8260660425 is a deficient number, since it is larger than the sum of its proper divisors (5396964935).

8260660425 is a wasteful number, since it uses less digits than its factorization.

8260660425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110142152 (or 110142147 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 8260660425 is about 90888.1753860204. The cubic root of 8260660425 is about 2021.4899657309.

The spelling of 8260660425 in words is "eight billion, two hundred sixty million, six hundred sixty thousand, four hundred twenty-five".