763873870827 has 4 divisors (see below), whose sum is σ = 1018498494440. Its totient is φ = 509249247216.

The previous prime is 763873870769. The next prime is 763873870909. The reversal of 763873870827 is 728078378367.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728078378367 = 3 ⋅242692792789.

It is not a de Polignac number, because 763873870827 - 2¹⁵ = 763873838059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (763873870927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127312311802 + ... + 127312311807.

It is an arithmetic number, because the mean of its divisors is an integer number (254624623610).

Almost surely, 2^763873870827 is an apocalyptic number.

763873870827 is a deficient number, since it is larger than the sum of its proper divisors (254624623613).

763873870827 is a wasteful number, since it uses less digits than its factorization.

763873870827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254624623612.

The product of its (nonzero) digits is 132765696, while the sum is 66.

The spelling of 763873870827 in words is "seven hundred sixty-three billion, eight hundred seventy-three million, eight hundred seventy thousand, eight hundred twenty-seven".