77055451744 has 48 divisors (see below), whose sum is σ = 163657374048. Its totient is φ = 35577198592.

The previous prime is 77055451699. The next prime is 77055451751. The reversal of 77055451744 is 44715455077.

It is a congruent number.

It is an unprimeable number.

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, 1307452 + ... + 1365115.

It is an arithmetic number, because the mean of its divisors is an integer number (3409528626).

Almost surely, 2^77055451744 is an apocalyptic number.

It is an amenable number.

77055451744 is an abundant number, since it is smaller than the sum of its proper divisors (86601922304).

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

77055451744 is a wasteful number, since it uses less digits than its factorization.

77055451744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672647 (or 2672639 counting only the distinct ones).

The product of its (nonzero) digits is 2744000, while the sum is 49.

The spelling of 77055451744 in words is "seventy-seven billion, fifty-five million, four hundred fifty-one thousand, seven hundred forty-four".