77412122 has 8 divisors (see below), whose sum is σ = 117245856. Its totient is φ = 38330172.

The previous prime is 77412121. The next prime is 77412151. The reversal of 77412122 is 22121477.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 77412091 and 77412100.

It is not an unprimeable number, because it can be changed into a prime (77412121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187688 + ... + 188099.

It is an arithmetic number, because the mean of its divisors is an integer number (14655732).

Almost surely, 2^77412122 is an apocalyptic number.

77412122 is a deficient number, since it is larger than the sum of its proper divisors (39833734).

77412122 is a wasteful number, since it uses less digits than its factorization.

77412122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375892.

The product of its digits is 1568, while the sum is 26.

The square root of 77412122 is about 8798.4158801457. The cubic root of 77412122 is about 426.1897403942.

Adding to 77412122 its reverse (22121477), we get a palindrome (99533599).

The spelling of 77412122 in words is "seventy-seven million, four hundred twelve thousand, one hundred twenty-two".