76610243646663 has 4 divisors (see below), whose sum is σ = 102146991528888. Its totient is φ = 51073495764440.

The previous prime is 76610243646661. The next prime is 76610243646701. The reversal of 76610243646663 is 36664634201667.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 76610243646663 - 2¹ = 76610243646661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76610243646597 and 76610243646606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76610243646661) 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, 12768373941108 + ... + 12768373941113.

It is an arithmetic number, because the mean of its divisors is an integer number (25536747882222).

Almost surely, 2^{76610243646663} is an apocalyptic number.

76610243646663 is a deficient number, since it is larger than the sum of its proper divisors (25536747882225).

76610243646663 is a wasteful number, since it uses less digits than its factorization.

76610243646663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25536747882224.

The product of its (nonzero) digits is 94058496, while the sum is 60.

The spelling of 76610243646663 in words is "seventy-six trillion, six hundred ten billion, two hundred forty-three million, six hundred forty-six thousand, six hundred sixty-three".