77685284411 has 8 divisors (see below), whose sum is σ = 89243200224. Its totient is φ = 66242373120.

The previous prime is 77685284407. The next prime is 77685284429. The reversal of 77685284411 is 11448258677.

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

It is not a de Polignac number, because 77685284411 - 2² = 77685284407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77685284441) 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, 28749680 + ... + 28752381.

It is an arithmetic number, because the mean of its divisors is an integer number (11155400028).

Almost surely, 2^77685284411 is an apocalyptic number.

77685284411 is a deficient number, since it is larger than the sum of its proper divisors (11557915813).

77685284411 is a wasteful number, since it uses less digits than its factorization.

77685284411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57502261.

The product of its digits is 3010560, while the sum is 53.

The spelling of 77685284411 in words is "seventy-seven billion, six hundred eighty-five million, two hundred eighty-four thousand, four hundred eleven".