77106828587388 has 96 divisors (see below), whose sum is σ = 181942954374720. Its totient is φ = 25413717288960.

The previous prime is 77106828587387. The next prime is 77106828587407. The reversal of 77106828587388 is 88378582860177.

It is a super-3 number, since 3×77106828587388³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77106828587387) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1889250870 + ... + 1889291682.

It is an arithmetic number, because the mean of its divisors is an integer number (1895239108070).

Almost surely, 2^{77106828587388} is an apocalyptic number.

It is an amenable number.

77106828587388 is an abundant number, since it is smaller than the sum of its proper divisors (104836125787332).

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

77106828587388 is a wasteful number, since it uses less digits than its factorization.

77106828587388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43887 (or 43885 counting only the distinct ones).

The product of its (nonzero) digits is 2023096320, while the sum is 78.

The spelling of 77106828587388 in words is "seventy-seven trillion, one hundred six billion, eight hundred twenty-eight million, five hundred eighty-seven thousand, three hundred eighty-eight".