77009407622 has 32 divisors (see below), whose sum is σ = 137773896192. Its totient is φ = 31564963584.

The previous prime is 77009407613. The next prime is 77009407637. The reversal of 77009407622 is 22670490077.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4422998 + ... + 4440374.

It is an arithmetic number, because the mean of its divisors is an integer number (4305434256).

Almost surely, 2^77009407622 is an apocalyptic number.

77009407622 is a deficient number, since it is larger than the sum of its proper divisors (60764488570).

77009407622 is a wasteful number, since it uses less digits than its factorization.

77009407622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31172.

The product of its (nonzero) digits is 296352, while the sum is 44.

Adding to 77009407622 its reverse (22670490077), we get a palindrome (99679897699).

The spelling of 77009407622 in words is "seventy-seven billion, nine million, four hundred seven thousand, six hundred twenty-two".