77048737584 has 160 divisors (see below), whose sum is σ = 249975667200. Its totient is φ = 20320489728.

The previous prime is 77048737559. The next prime is 77048737589. The reversal of 77048737584 is 48573784077.

It is not an unprimeable number, because it can be changed into a prime (77048737589) 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, 34039 + ... + 394025.

It is an arithmetic number, because the mean of its divisors is an integer number (1562347920).

Almost surely, 2^77048737584 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 77048737584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124987833600).

77048737584 is an abundant number, since it is smaller than the sum of its proper divisors (172926929616).

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

77048737584 is a wasteful number, since it uses less digits than its factorization.

77048737584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360032 (or 360012 counting only the distinct ones).

The product of its (nonzero) digits is 36879360, while the sum is 60.

The spelling of 77048737584 in words is "seventy-seven billion, forty-eight million, seven hundred thirty-seven thousand, five hundred eighty-four".