76667476651 has 4 divisors (see below), whose sum is σ = 76844538232. Its totient is φ = 76490415072.

The previous prime is 76667476643. The next prime is 76667476687. The reversal of 76667476651 is 15667476667.

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

It is a cyclic number.

It is not a de Polignac number, because 76667476651 - 2³ = 76667476643 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 76667476651.

It is not an unprimeable number, because it can be changed into a prime (76667476621) 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, 88530141 + ... + 88531006.

It is an arithmetic number, because the mean of its divisors is an integer number (19211134558).

Almost surely, 2^76667476651 is an apocalyptic number.

76667476651 is a deficient number, since it is larger than the sum of its proper divisors (177061581).

76667476651 is a wasteful number, since it uses less digits than its factorization.

76667476651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177061580.

The product of its digits is 53343360, while the sum is 61.

The spelling of 76667476651 in words is "seventy-six billion, six hundred sixty-seven million, four hundred seventy-six thousand, six hundred fifty-one".