77533000782 has 16 divisors (see below), whose sum is σ = 161808001920. Its totient is φ = 24720666872.

The previous prime is 77533000781. The next prime is 77533000793. The reversal of 77533000782 is 28700033577.

It is a super-2 number, since 2×77533000782² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77533000781) 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, 280916532 + ... + 280916807.

It is an arithmetic number, because the mean of its divisors is an integer number (10113000120).

Almost surely, 2^77533000782 is an apocalyptic number.

77533000782 is an abundant number, since it is smaller than the sum of its proper divisors (84275001138).

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

77533000782 is a wasteful number, since it uses less digits than its factorization.

77533000782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561833367.

The product of its (nonzero) digits is 246960, while the sum is 42.

The spelling of 77533000782 in words is "seventy-seven billion, five hundred thirty-three million, seven hundred eighty-two", and thus it is an aban number.