77122022002 has 16 divisors (see below), whose sum is σ = 117325392192. Its totient is φ = 38013678640.

The previous prime is 77122021981. The next prime is 77122022041. The reversal of 77122022002 is 20022022177.

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 7 ways as a sum of consecutive naturals, for example, 1541208 + ... + 1590460.

It is an arithmetic number, because the mean of its divisors is an integer number (7332837012).

Almost surely, 2^77122022002 is an apocalyptic number.

77122022002 is a deficient number, since it is larger than the sum of its proper divisors (40203370190).

77122022002 is a wasteful number, since it uses less digits than its factorization.

77122022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60353.

The product of its (nonzero) digits is 1568, while the sum is 25.

Adding to 77122022002 its reverse (20022022177), we get a palindrome (97144044179).

The spelling of 77122022002 in words is "seventy-seven billion, one hundred twenty-two million, twenty-two thousand, two".