77432122 has 16 divisors (see below), whose sum is σ = 122863680. Its totient is φ = 36523872.

The previous prime is 77432107. The next prime is 77432123. The reversal of 77432122 is 22123477.

It is not an unprimeable number, because it can be changed into a prime (77432123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8172 + ... + 14887.

It is an arithmetic number, because the mean of its divisors is an integer number (7678980).

Almost surely, 2^77432122 is an apocalyptic number.

77432122 is a deficient number, since it is larger than the sum of its proper divisors (45431558).

77432122 is a wasteful number, since it uses less digits than its factorization.

77432122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23157.

The product of its digits is 4704, while the sum is 28.

The square root of 77432122 is about 8799.5523749791. The cubic root of 77432122 is about 426.2264403349.

Adding to 77432122 its reverse (22123477), we get a palindrome (99555599).

It can be divided in two parts, 774 and 32122, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 77432122 in words is "seventy-seven million, four hundred thirty-two thousand, one hundred twenty-two".