76443367453 has 4 divisors (see below), whose sum is σ = 76444510428. Its totient is φ = 76442224480.

The previous prime is 76443367447. The next prime is 76443367463. The reversal of 76443367453 is 35476334467.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17045391364 + 59397976089 = 130558^2 + 243717^2 .

It is a cyclic number.

It is not a de Polignac number, because 76443367453 - 2⁵ = 76443367421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76443367453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76443367463) 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, 464488 + ... + 607153.

It is an arithmetic number, because the mean of its divisors is an integer number (19111127607).

Almost surely, 2^76443367453 is an apocalyptic number.

It is an amenable number.

76443367453 is a deficient number, since it is larger than the sum of its proper divisors (1142975).

76443367453 is a wasteful number, since it uses less digits than its factorization.

76443367453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142974.

The product of its digits is 15240960, while the sum is 52.

The spelling of 76443367453 in words is "seventy-six billion, four hundred forty-three million, three hundred sixty-seven thousand, four hundred fifty-three".