76645751461 has 16 divisors (see below), whose sum is σ = 80957506240. Its totient is φ = 72563062032.

The previous prime is 76645751431. The next prime is 76645751467. The reversal of 76645751461 is 16415754667.

It is not a de Polignac number, because 76645751461 - 2¹¹ = 76645749413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76645751399 and 76645751408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76645751467) 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, 14078806 + ... + 14084248.

It is an arithmetic number, because the mean of its divisors is an integer number (5059844140).

Almost surely, 2^76645751461 is an apocalyptic number.

It is an amenable number.

76645751461 is a deficient number, since it is larger than the sum of its proper divisors (4311754779).

76645751461 is an equidigital number, since it uses as much as digits as its factorization.

76645751461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553 (or 7515 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The spelling of 76645751461 in words is "seventy-six billion, six hundred forty-five million, seven hundred fifty-one thousand, four hundred sixty-one".