77608677443 has 8 divisors (see below), whose sum is σ = 85232228400. Its totient is φ = 70079829280.

The previous prime is 77608677437. The next prime is 77608677463. The reversal of 77608677443 is 34477680677.

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 77608677443 - 2⁸ = 77608677187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77608677463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23673980 + ... + 23677257.

It is an arithmetic number, because the mean of its divisors is an integer number (10654028550).

Almost surely, 2^77608677443 is an apocalyptic number.

77608677443 is a deficient number, since it is larger than the sum of its proper divisors (7623550957).

77608677443 is a wasteful number, since it uses less digits than its factorization.

77608677443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47351397.

The product of its (nonzero) digits is 33191424, while the sum is 59.

The spelling of 77608677443 in words is "seventy-seven billion, six hundred eight million, six hundred seventy-seven thousand, four hundred forty-three".