76544371045 has 16 divisors (see below), whose sum is σ = 94346596080. Its totient is φ = 59573643264.

The previous prime is 76544370983. The next prime is 76544371049. The reversal of 76544371045 is 54017344567.

It can be written as a sum of positive squares in 8 ways, for example, as 31832164 + 76512538881 = 5642^2 + 276609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76544371045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76544370986 and 76544371004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76544371049) 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, 2107459 + ... + 2143471.

It is an arithmetic number, because the mean of its divisors is an integer number (5896662255).

Almost surely, 2^76544371045 is an apocalyptic number.

It is an amenable number.

76544371045 is a deficient number, since it is larger than the sum of its proper divisors (17802225035).

76544371045 is a wasteful number, since it uses less digits than its factorization.

76544371045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47544.

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 76544371045 in words is "seventy-six billion, five hundred forty-four million, three hundred seventy-one thousand, forty-five".