76742243893 has 16 divisors (see below), whose sum is σ = 88142100480. Its totient is φ = 65451890736.

The previous prime is 76742243861. The next prime is 76742243909. The reversal of 76742243893 is 39834224767.

It is a cyclic number.

It is not a de Polignac number, because 76742243893 - 2⁵ = 76742243861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76742243833) 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, 2972880 + ... + 2998582.

It is an arithmetic number, because the mean of its divisors is an integer number (5508881280).

Almost surely, 2^76742243893 is an apocalyptic number.

It is an amenable number.

76742243893 is a deficient number, since it is larger than the sum of its proper divisors (11399856587).

76742243893 is a wasteful number, since it uses less digits than its factorization.

76742243893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27816.

The product of its digits is 12192768, while the sum is 55.

The spelling of 76742243893 in words is "seventy-six billion, seven hundred forty-two million, two hundred forty-three thousand, eight hundred ninety-three".