76256653321 has 4 divisors (see below), whose sum is σ = 76969332432. Its totient is φ = 75543974212.

The previous prime is 76256653289. The next prime is 76256653373. The reversal of 76256653321 is 12335665267.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12335665267 = 2239 ⋅5509453.

It is a cyclic number.

It is not a de Polignac number, because 76256653321 - 2⁵ = 76256653289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76256653021) 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, 356339395 + ... + 356339608.

It is an arithmetic number, because the mean of its divisors is an integer number (19242333108).

Almost surely, 2^76256653321 is an apocalyptic number.

It is an amenable number.

76256653321 is a deficient number, since it is larger than the sum of its proper divisors (712679111).

76256653321 is a wasteful number, since it uses less digits than its factorization.

76256653321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712679110.

The product of its digits is 1360800, while the sum is 46.

The spelling of 76256653321 in words is "seventy-six billion, two hundred fifty-six million, six hundred fifty-three thousand, three hundred twenty-one".