9765425678 has 4 divisors (see below), whose sum is σ = 14648138520. Its totient is φ = 4882712838.

The previous prime is 9765425669. The next prime is 9765425699. The reversal of 9765425678 is 8765245679.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2441356418 + ... + 2441356421.

It is an arithmetic number, because the mean of its divisors is an integer number (3662034630).

Almost surely, 2^9765425678 is an apocalyptic number.

9765425678 is a deficient number, since it is larger than the sum of its proper divisors (4882712842).

9765425678 is a wasteful number, since it uses less digits than its factorization.

9765425678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882712841.

The product of its digits is 25401600, while the sum is 59.

The square root of 9765425678 is about 98820.1683767033. The cubic root of 9765425678 is about 2137.4553909184.

The spelling of 9765425678 in words is "nine billion, seven hundred sixty-five million, four hundred twenty-five thousand, six hundred seventy-eight".