76665253281801 has 16 divisors (see below), whose sum is σ = 102905030766720. Its totient is φ = 50767873228800.

The previous prime is 76665253281769. The next prime is 76665253281821. The reversal of 76665253281801 is 10818235256667.

It is not a de Polignac number, because 76665253281801 - 2⁵ = 76665253281769 is a prime.

It is a super-2 number, since 2×76665253281801² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76665253281821) 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, 325366 + ... + 12386943.

It is an arithmetic number, because the mean of its divisors is an integer number (6431564422920).

Almost surely, 2^{76665253281801} is an apocalyptic number.

It is an amenable number.

76665253281801 is a deficient number, since it is larger than the sum of its proper divisors (26239777484919).

76665253281801 is a wasteful number, since it uses less digits than its factorization.

76665253281801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12725776.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 76665253281801 in words is "seventy-six trillion, six hundred sixty-five billion, two hundred fifty-three million, two hundred eighty-one thousand, eight hundred one".