77108057869 has 8 divisors (see below), whose sum is σ = 77386256640. Its totient is φ = 76829961936.

The previous prime is 77108057849. The next prime is 77108057879. The reversal of 77108057869 is 96875080177.

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 77108057869 - 2⁵ = 77108057837 is a prime.

It is a super-2 number, since 2×77108057869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77108057839) 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, 1678792 + ... + 1724110.

It is an arithmetic number, because the mean of its divisors is an integer number (9673282080).

Almost surely, 2^77108057869 is an apocalyptic number.

It is an amenable number.

77108057869 is a deficient number, since it is larger than the sum of its proper divisors (278198771).

77108057869 is a wasteful number, since it uses less digits than its factorization.

77108057869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51419.

The product of its (nonzero) digits is 5927040, while the sum is 58.

The spelling of 77108057869 in words is "seventy-seven billion, one hundred eight million, fifty-seven thousand, eight hundred sixty-nine".