77732305231022 has 16 divisors (see below), whose sum is σ = 126741098684592. Its totient is φ = 35541154655040.

The previous prime is 77732305230991. The next prime is 77732305231033. The reversal of 77732305231022 is 22013250323777.

It is a super-2 number, since 2×77732305231022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13970576879 + ... + 13970582442.

It is an arithmetic number, because the mean of its divisors is an integer number (7921318667787).

Almost surely, 2^{77732305231022} is an apocalyptic number.

77732305231022 is a deficient number, since it is larger than the sum of its proper divisors (49008793453570).

77732305231022 is a wasteful number, since it uses less digits than its factorization.

77732305231022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27941159443.

The product of its (nonzero) digits is 740880, while the sum is 44.

Adding to 77732305231022 its reverse (22013250323777), we get a palindrome (99745555554799).

The spelling of 77732305231022 in words is "seventy-seven trillion, seven hundred thirty-two billion, three hundred five million, two hundred thirty-one thousand, twenty-two".