77032459261896 has 64 divisors (see below), whose sum is σ = 196939343520000. Its totient is φ = 25101256408896.

The previous prime is 77032459261871. The next prime is 77032459261939. The reversal of 77032459261896 is 69816295423077.

It is a self number, because there is not a number n which added to its sum of digits gives 77032459261896.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151705906 + ... + 152212833.

It is an arithmetic number, because the mean of its divisors is an integer number (3077177242500).

It is a 2-persistent number, because it is pandigital, and so is 2⋅77032459261896 = 154064918523792, but 3⋅77032459261896 = 231097377785688 is not.

Almost surely, 2^{77032459261896} is an apocalyptic number.

It is an amenable number.

77032459261896 is an abundant number, since it is smaller than the sum of its proper divisors (119906884258104).

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

77032459261896 is a wasteful number, since it uses less digits than its factorization.

77032459261896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303918986 (or 303918982 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 69.

The spelling of 77032459261896 in words is "seventy-seven trillion, thirty-two billion, four hundred fifty-nine million, two hundred sixty-one thousand, eight hundred ninety-six".