77234133388 has 12 divisors (see below), whose sum is σ = 135189753832. Its totient is φ = 38608489440.

The previous prime is 77234133343. The next prime is 77234133397. The reversal of 77234133388 is 88333143277.

It is a super-2 number, since 2×77234133388² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2124033 + ... + 2160088.

Almost surely, 2^77234133388 is an apocalyptic number.

It is an amenable number.

77234133388 is a deficient number, since it is larger than the sum of its proper divisors (57955620444).

77234133388 is a wasteful number, since it uses less digits than its factorization.

77234133388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288632 (or 4288630 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 49.

The spelling of 77234133388 in words is "seventy-seven billion, two hundred thirty-four million, one hundred thirty-three thousand, three hundred eighty-eight".