76645422457 has 8 divisors (see below), whose sum is σ = 80790382400. Its totient is φ = 72511561584.

The previous prime is 76645422431. The next prime is 76645422467. The reversal of 76645422457 is 75422454667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76645422457 - 2²³ = 76637033849 is a prime.

It is a super-2 number, since 2×76645422457² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76645422407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2760582 + ... + 2788207.

It is an arithmetic number, because the mean of its divisors is an integer number (10098797800).

Almost surely, 2^76645422457 is an apocalyptic number.

It is an amenable number.

76645422457 is a deficient number, since it is larger than the sum of its proper divisors (4144959943).

76645422457 is a wasteful number, since it uses less digits than its factorization.

76645422457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549535.

The product of its digits is 11289600, while the sum is 52.

The spelling of 76645422457 in words is "seventy-six billion, six hundred forty-five million, four hundred twenty-two thousand, four hundred fifty-seven".