76406655721753 has 4 divisors (see below), whose sum is σ = 87321892253440. Its totient is φ = 65491419190068.

The previous prime is 76406655721703. The next prime is 76406655721777. The reversal of 76406655721753 is 35712755660467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76406655721753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76406655721703) 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, 5457618265833 + ... + 5457618265846.

It is an arithmetic number, because the mean of its divisors is an integer number (21830473063360).

Almost surely, 2^{76406655721753} is an apocalyptic number.

It is an amenable number.

76406655721753 is a deficient number, since it is larger than the sum of its proper divisors (10915236531687).

76406655721753 is a wasteful number, since it uses less digits than its factorization.

76406655721753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10915236531686.

The product of its (nonzero) digits is 222264000, while the sum is 64.

The spelling of 76406655721753 in words is "seventy-six trillion, four hundred six billion, six hundred fifty-five million, seven hundred twenty-one thousand, seven hundred fifty-three".