77133433132 has 24 divisors (see below), whose sum is σ = 156000206880. Its totient is φ = 32685755520.

The previous prime is 77133433081. The next prime is 77133433177. The reversal of 77133433132 is 23133433177.

It is a junction number, because it is equal to n+sod(n) for n = 77133433091 and 77133433100.

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, 15473719 + ... + 15478702.

It is an arithmetic number, because the mean of its divisors is an integer number (6500008620).

Almost surely, 2^77133433132 is an apocalyptic number.

It is an amenable number.

77133433132 is an abundant number, since it is smaller than the sum of its proper divisors (78866773748).

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

77133433132 is a wasteful number, since it uses less digits than its factorization.

77133433132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30952521 (or 30952519 counting only the distinct ones).

The product of its digits is 95256, while the sum is 37.

The spelling of 77133433132 in words is "seventy-seven billion, one hundred thirty-three million, four hundred thirty-three thousand, one hundred thirty-two".