77741099969 has 8 divisors (see below), whose sum is σ = 83768805120. Its totient is φ = 71720197776.

The previous prime is 77741099963. The next prime is 77741099993. The reversal of 77741099969 is 96999014777.

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 77741099969 - 2²⁰ = 77740051393 is a prime.

It is a super-2 number, since 2×77741099969² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77741099899 and 77741099908.

It is not an unprimeable number, because it can be changed into a prime (77741099963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676987 + ... + 1722720.

It is an arithmetic number, because the mean of its divisors is an integer number (10471100640).

Almost surely, 2^77741099969 is an apocalyptic number.

It is an amenable number.

77741099969 is a deficient number, since it is larger than the sum of its proper divisors (6027705151).

77741099969 is a wasteful number, since it uses less digits than its factorization.

77741099969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401479.

The product of its (nonzero) digits is 54010152, while the sum is 68.

The spelling of 77741099969 in words is "seventy-seven billion, seven hundred forty-one million, ninety-nine thousand, nine hundred sixty-nine".