77530086760 has 32 divisors (see below), whose sum is σ = 199363080960. Its totient is φ = 26581743936.

The previous prime is 77530086749. The next prime is 77530086761. The reversal of 77530086760 is 6768003577.

It is not an unprimeable number, because it can be changed into a prime (77530086761) by changing a digit.

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, 138446304 + ... + 138446863.

It is an arithmetic number, because the mean of its divisors is an integer number (6230096280).

Almost surely, 2^77530086760 is an apocalyptic number.

77530086760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

77530086760 is an abundant number, since it is smaller than the sum of its proper divisors (121832994200).

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

77530086760 is a wasteful number, since it uses less digits than its factorization.

77530086760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276893185 (or 276893181 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 77530086760 in words is "seventy-seven billion, five hundred thirty million, eighty-six thousand, seven hundred sixty".