77059127916 has 72 divisors (see below), whose sum is σ = 197550347904. Its totient is φ = 25322492160.

The previous prime is 77059127897. The next prime is 77059127933. The reversal of 77059127916 is 61972195077.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6803490 + ... + 6814806.

It is an arithmetic number, because the mean of its divisors is an integer number (2743754832).

Almost surely, 2^77059127916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77059127916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98775173952).

77059127916 is an abundant number, since it is smaller than the sum of its proper divisors (120491219988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77059127916 is a wasteful number, since it uses less digits than its factorization.

77059127916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13991 (or 13986 counting only the distinct ones).

The product of its (nonzero) digits is 1666980, while the sum is 54.

The spelling of 77059127916 in words is "seventy-seven billion, fifty-nine million, one hundred twenty-seven thousand, nine hundred sixteen".