75648884656 has 10 divisors (see below), whose sum is σ = 146569714052. Its totient is φ = 37824442320.

The previous prime is 75648884653. The next prime is 75648884657. The reversal of 75648884656 is 65648884657.

It is a junction number, because it is equal to n+sod(n) for n = 75648884591 and 75648884600.

It is not an unprimeable number, because it can be changed into a prime (75648884653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2364027630 + ... + 2364027661.

Almost surely, 2^75648884656 is an apocalyptic number.

It is an amenable number.

75648884656 is a deficient number, since it is larger than the sum of its proper divisors (70920829396).

75648884656 is a wasteful number, since it uses less digits than its factorization.

75648884656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728055299 (or 4728055293 counting only the distinct ones).

The product of its digits is 309657600, while the sum is 67.

Subtracting from 75648884656 its reverse (65648884657), we obtain a palindrome (9999999999).

The spelling of 75648884656 in words is "seventy-five billion, six hundred forty-eight million, eight hundred eighty-four thousand, six hundred fifty-six".